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Best Buy customers often prefer the following products when searching for 3 inch ring.

Ring is a home security system that uses your existing Wi-Fi network and a base station to detect intruders, and then sends alerts to your phone. The system is easy to set up, works well, and is competitively priced.

Main Results
  1. Ring - Alarm Range Extender (2nd Gen) - White - Front_Zoom

    Model: 4AR1SZ-0EN0
    SKU: 6403962
    Top comment

    "Ring Rules!...I'm a big fan of Ring. I have several sensors. These items are incredibly easy to add and install to your Ring security system....Ring Home Sweet Home...And of course, I have the RING Doorbell!! Thank You Ring !!"

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    Product Description

    Add Range Extenders throughout your home to extend the signal from your Ring Alarm Base Station to all its components, so you can make sure your entire system stays online.*Requires Ring Alarm Security Kit (Gen 2)
    See all Home Security Accessories
    Top comment

    "Ring Rules!...I'm a big fan of Ring. I have several sensors. These items are incredibly easy to add and install to your Ring security system....Ring Home Sweet Home...And of course, I have the RING Doorbell!! Thank You Ring !!"

    See all customer reviews

    Product Description

    Add Range Extenders throughout your home to extend the signal from your Ring Alarm Base Station to all its components, so you can make sure your entire system stays online.*Requires Ring Alarm Security Kit (Gen 2)
    See all Home Security Accessories
    See all Home Security Accessories
  2. Ring - Alarm Security Kit 9-Piece (2nd Gen) - White - Front_Zoom
    Top comment

    "Ring doorbell...We are now aware when packages are dropped off as services do not ring the doorbell....User of Ring and I love it!...I have been buying Ring products for a at least 3 years, I have it at home, at work and have recommended the product to people. "

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    Product Description

    Help secure your home against break-ins, and more, with Ring Alarm. When armed, Ring Alarm's siren sounds whenever doors or windows open and when motion is detected at home. Level-up your protection with a Ring Protect Pro subscription, sold separately, to get real-time alerts in the Ring App when your Alarm is triggered*, on-demand emergency support with optional Alarm Professional Monitoring**, and other benefits that keep your security ready for anything.
    See all Home Security Systems
    Top comment

    "Ring doorbell...We are now aware when packages are dropped off as services do not ring the doorbell....User of Ring and I love it!...I have been buying Ring products for a at least 3 years, I have it at home, at work and have recommended the product to people. "

    See all customer reviews

    Product Description

    Help secure your home against break-ins, and more, with Ring Alarm. When armed, Ring Alarm's siren sounds whenever doors or windows open and when motion is detected at home. Level-up your protection with a Ring Protect Pro subscription, sold separately, to get real-time alerts in the Ring App when your Alarm is triggered*, on-demand emergency support with optional Alarm Professional Monitoring**, and other benefits that keep your security ready for anything.
    See all Home Security Systems
    See all Home Security Systems
  3. Swann - ActiveResponse Personal Safety Alarm Keychain with 110dB Emergency Siren - Aqua - Front_Zoom
    Top comment

    "You also have 2 lanyards and 2 rings in order to put on your keychain. I thought it was much easier to read the unlock and lock on top of the white one. "

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    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    Top comment

    "You also have 2 lanyards and 2 rings in order to put on your keychain. I thought it was much easier to read the unlock and lock on top of the white one. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    See all Home Alarms & Sensors
  4. Ring - Jobsite Security Starter Kit - Orange - Front_Zoom

    Product Description

    The Jobsite Security 5-Piece Starter Kit has everything a contractor needs for a complete security system. Ring Jobsite Security works like a mobile hotspot, creating a WiFi network that has a 24/7 LTE
    See all Home Security Systems

    Product Description

    The Jobsite Security 5-Piece Starter Kit has everything a contractor needs for a complete security system. Ring Jobsite Security works like a mobile hotspot, creating a WiFi network that has a 24/7 LTE
    See all Home Security Systems
    See all Home Security Systems
  5. Ring - Alarm Outdoor Contact Sensor - Gray - Front_Zoom

    Model: B0923BK77S
    SKU: 6481972
    Top comment

    "Easy to install and works perfectly with the ring system...Excellent addition to Ring Monitoring...This is an wxcellent addition to current ring monitoring kit that adds more protection for outdoor doors and gates"

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    Product Description

    Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor. Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
    See all Door & Window Alarms
    Top comment

    "Easy to install and works perfectly with the ring system...Excellent addition to Ring Monitoring...This is an wxcellent addition to current ring monitoring kit that adds more protection for outdoor doors and gates"

    See all customer reviews

    Product Description

    Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor. Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.
    See all Door & Window Alarms
    See all Door & Window Alarms
  6. SimpliSafe - Indoor Home Security System (8-piece) - White - Front_Zoom
    Top comment

    "I recently relocated and had to but another home system. I tried ring and I found it to be hard to install and more expensive....Does not five notice of entering and exiting. Ring does"

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees. This 8-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And Motion Sensors (2 total) are designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Top comment

    "I recently relocated and had to but another home system. I tried ring and I found it to be hard to install and more expensive....Does not five notice of entering and exiting. Ring does"

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees. This 8-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And Motion Sensors (2 total) are designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    See all Home Security Systems
  7. Swann - ActiveResponse Personal Safety Alarm Keychain with 110dB Emergency Siren - Black - Front_Zoom
    Top comment

    "She attached it to her key ring which she carries in her had when in parking lots or on walks. ...This kit comes with the 2 personal alarm, 2 key rings, 2 lanyard, 2 batteries and the operating instructions. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    Top comment

    "She attached it to her key ring which she carries in her had when in parking lots or on walks. ...This kit comes with the 2 personal alarm, 2 key rings, 2 lanyard, 2 batteries and the operating instructions. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    See all Home Alarms & Sensors
  8. SimpliSafe - Indoor Home Security System with Smart Alarm Wireless Indoor Camera 8-piece - White - Angle_Zoom
    Top comment

    "Only negative really is the camera. My Ring camera is flawless and captures everything. ...I was looking for an indoor wirelessly enabled security system to supplement my outdoor Ring system, but I did not want to use the indoor Ring stuff because I didn’t want everything indoor beinng recorded with the same app as my outdoor system. "

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees.This 8-piece bundle provides 24/7 protection. The Smart Alarm Wireless Indoor Security Camera helps stop crime in real time with live guard protection that allows monitoring agents to see, speak to, and deter intruders during an active alarm*. The camera also features a built in privacy shutter that you control. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Top comment

    "Only negative really is the camera. My Ring camera is flawless and captures everything. ...I was looking for an indoor wirelessly enabled security system to supplement my outdoor Ring system, but I did not want to use the indoor Ring stuff because I didn’t want everything indoor beinng recorded with the same app as my outdoor system. "

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees.This 8-piece bundle provides 24/7 protection. The Smart Alarm Wireless Indoor Security Camera helps stop crime in real time with live guard protection that allows monitoring agents to see, speak to, and deter intruders during an active alarm*. The camera also features a built in privacy shutter that you control. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    See all Home Security Systems
  9. Ring Pet Tag - Silver - Front_Zoom

    Model: B0BLXHWPLP
    SKU: 6559285
    Top comment

    "Ring tag...The ring tag is easy setup! The Ring Pet Tag essentially puts a QR code on your dog or cat's collar, which links up to an app. ...Great idea help a lot of people that could just scan this and get all information on your dog or cat and everybody looks on ring. I have so many products that I could do their advertising. "

    See all customer reviews

    Product Description

    Ring Pet Tag with Scanable QR Code; If your pet goes missing, every moment counts. Help bring lost pets home with the power of Pet Tag and millions of potential rescuers. This easy-to-use tag sports a custom QR code that provides helpful info about your pet to anyone who scans it—plus a quick way to get in touch that doesn’t reveal your personal info. For even more backup, turn your local Ring App community into your personal search party. A few taps is all it takes to start getting the word out.
    See all Home Security Accessories
    Top comment

    "Ring tag...The ring tag is easy setup! The Ring Pet Tag essentially puts a QR code on your dog or cat's collar, which links up to an app. ...Great idea help a lot of people that could just scan this and get all information on your dog or cat and everybody looks on ring. I have so many products that I could do their advertising. "

    See all customer reviews

    Product Description

    Ring Pet Tag with Scanable QR Code; If your pet goes missing, every moment counts. Help bring lost pets home with the power of Pet Tag and millions of potential rescuers. This easy-to-use tag sports a custom QR code that provides helpful info about your pet to anyone who scans it—plus a quick way to get in touch that doesn’t reveal your personal info. For even more backup, turn your local Ring App community into your personal search party. A few taps is all it takes to start getting the word out.
    See all Home Security Accessories
    See all Home Security Accessories
  10. SimpliSafe - Whole Home Security System 9-piece - White - Front_Zoom
    Top comment

    "We bought the one with 1 indoor and 1 outdoor camera and 3 door alarms. We are awaiting on 2 glass breakage items to come in. ...Therefore, while the affordability of SimpliSafe is enticing, exploring other options like Eufy or Ring might be worth considering for those seeking a more robust home security solution."

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece bundle provides layers of whole home protection from the outside in. Outside, the Wireless Outdoor Security camera keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. Inside, the wired Indoor security camera lets you see what's happening with crystal clear 1080p HD video as well as a 120° field of view day and night. A smash-safe Keypad that is soft to touch, easy to use during the day and night, and is wireless. The Base Station is the brains of the system and includes a battery backup that lasts up to 24 hours and a 95 dB siren. Entry Sensors (4 total) protect your doors, windows, and cabinets. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Top comment

    "We bought the one with 1 indoor and 1 outdoor camera and 3 door alarms. We are awaiting on 2 glass breakage items to come in. ...Therefore, while the affordability of SimpliSafe is enticing, exploring other options like Eufy or Ring might be worth considering for those seeking a more robust home security solution."

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece bundle provides layers of whole home protection from the outside in. Outside, the Wireless Outdoor Security camera keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. Inside, the wired Indoor security camera lets you see what's happening with crystal clear 1080p HD video as well as a 120° field of view day and night. A smash-safe Keypad that is soft to touch, easy to use during the day and night, and is wireless. The Base Station is the brains of the system and includes a battery backup that lasts up to 24 hours and a 95 dB siren. Entry Sensors (4 total) protect your doors, windows, and cabinets. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    See all Home Security Systems
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