Home Alarm Sensors
Best Buy customers often prefer the following products when searching for Home Alarm Sensors.
Enhance your home's security with our range of home alarm sensors, designed to provide peace of mind and safeguard your living space. Whether you're looking to protect entry points or monitor movement within your home, these sensors offer reliable solutions for any security need. Discover cutting-edge technology that seamlessly integrates into your existing systems, ensuring you stay connected and informed at all times. With options tailored for both indoor and outdoor use, securing every corner of your property has never been easier. Explore our selection today and take a proactive step towards a safer home environment.
Ring - Alarm Outdoor Contact Sensor 2-pack - Gray
Model: B09BXZ6YX8SKU: 6491672Top comment"Outdoor sensors...Great heavy duty sensors for ring alarm to use on external areas...Ring Alarm Outdoor Contact Sensor 2-pack - Gray: A...The Ring Alarm Outdoor Contact Sensor 2-pack - Gray is an absolute must-have for any home security system. "
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Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensors. 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.Top comment"Outdoor sensors...Great heavy duty sensors for ring alarm to use on external areas...Ring Alarm Outdoor Contact Sensor 2-pack - Gray: A...The Ring Alarm Outdoor Contact Sensor 2-pack - Gray is an absolute must-have for any home security system. "
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Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensors. 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 AlarmsYour price for this item is $89.99
Ring - Alarm Outdoor Contact Sensor - Gray
Model: B0923BK77SSKU: 6481972Top comment"Great build sensors...This sensor will give you a piece of mind adding sensors to your fence gates even to the shed, this sensors are well build, weather resistant...Outdoor sensor perfect for gate...Easy to setup and works well with the ring alarm system."
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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.Top comment"Great build sensors...This sensor will give you a piece of mind adding sensors to your fence gates even to the shed, this sensors are well build, weather resistant...Outdoor sensor perfect for gate...Easy to setup and works well with the ring alarm system."
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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 AlarmsYour price for this item is $49.99
Ring - Alarm Glass Break Sensor (2-Pack) - White
Model: B09BY4LKKGSKU: 6492198Top comment"Glass break sensor...Glass break sensor to add to my Ring alarm system. Makes me assured that I have further protection....Ring Glass Break Sensors...Very glad ring finally released glass breaks, great compliment to the other alarm sensors."
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Monitor glass windows and doors for break-in attempts with Ring Alarm Glass Break Sensor. Using AI technology, the sensor detects the sound of glass breaking up to 25 feet. You’ll receive notifications whenever breaking glass is detected, or receive a call from our monitoring center if you have enrolled in professional monitoring* with a Ring Protect Pro subscription, sold separately.** Requires Ring Alarm or Ring Alarm Pro, both sold separately.Top comment"Glass break sensor...Glass break sensor to add to my Ring alarm system. Makes me assured that I have further protection....Ring Glass Break Sensors...Very glad ring finally released glass breaks, great compliment to the other alarm sensors."
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Monitor glass windows and doors for break-in attempts with Ring Alarm Glass Break Sensor. Using AI technology, the sensor detects the sound of glass breaking up to 25 feet. You’ll receive notifications whenever breaking glass is detected, or receive a call from our monitoring center if you have enrolled in professional monitoring* with a Ring Protect Pro subscription, sold separately.** Requires Ring Alarm or Ring Alarm Pro, both sold separately.See all Door & Window AlarmsYour price for this item is $69.99Sold Out
Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White
Model: 4SD1SZ-0EN0SKU: 6403955Top comment"Easy add-on to Ring alarm system...Easy to install to add more sensors to Ring alarm system. A bit pricey to buy as separate sensors compared to a kit....Perfect Door Sensor...Ring Alarm Sensor does the trick. With RIng alarm system, Add ons are endless!"
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Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.See all Door & Window AlarmsTop comment"Easy add-on to Ring alarm system...Easy to install to add more sensors to Ring alarm system. A bit pricey to buy as separate sensors compared to a kit....Perfect Door Sensor...Ring Alarm Sensor does the trick. With RIng alarm system, Add ons are endless!"
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Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
SimpliSafe - Motion Sensor - White
Model: CA001-01RUSSKU: 6543525Top comment"I have not had a false alarm yet. There is no sensitvity switch on the new sensor. ...Motion Sensor...I am thinking about adding a glass breakage sensor and two additional water sensors for underneath my kitchen and bathroom sink so i am truly covered."
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Detect intruders with SimpliSafe’s high-performance motion sensor. Engineered to tell the difference between people and pets, so if the alarm goes off, you can be confident it’s real. With a 90º field of view and 35 ft. range, it protects an entire room from a single location. Plus, you get fast alerts sent right to your phone when motion is detected so you always know what’s happening at home. And if you have a 24/7 professional monitoring plan—our agents are always ready to send help to your home when an alarm is triggered.See all Door & Window AlarmsTop comment"I have not had a false alarm yet. There is no sensitvity switch on the new sensor. ...Motion Sensor...I am thinking about adding a glass breakage sensor and two additional water sensors for underneath my kitchen and bathroom sink so i am truly covered."
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Detect intruders with SimpliSafe’s high-performance motion sensor. Engineered to tell the difference between people and pets, so if the alarm goes off, you can be confident it’s real. With a 90º field of view and 35 ft. range, it protects an entire room from a single location. Plus, you get fast alerts sent right to your phone when motion is detected so you always know what’s happening at home. And if you have a 24/7 professional monitoring plan—our agents are always ready to send help to your home when an alarm is triggered.
SimpliSafe - Glassbreak Sensor - White
Model: SS3-BBY-GBREAKSKU: 6323161Top comment"Glassbreak sensor...Hopefully i don't have to get this alarm working. But it is a nice thing to protect your house...One sensor versus three...This sensor can save you some money when it comes to multiple windows instead of buying individual sensors for each window."
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Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.See all Door & Window AlarmsTop comment"Glassbreak sensor...Hopefully i don't have to get this alarm working. But it is a nice thing to protect your house...One sensor versus three...This sensor can save you some money when it comes to multiple windows instead of buying individual sensors for each window."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.
Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
Model: 4SD6SZ-0EN0SKU: 6403961Top comment"Ring Alarm Sensors...Best alarm sensors...New ring customer. Love ring alarm and their sensors. They are so easy to use. "
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Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.See all Door & Window AlarmsTop comment"Ring Alarm Sensors...Best alarm sensors...New ring customer. Love ring alarm and their sensors. They are so easy to use. "
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White
Model: 4SD2SZ-0EN0SKU: 6403968Top comment"ring alarm sensors are easy to set up works great!...Great Alarm sensors...2nd gen sensor are so sleek, very simple installation."
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Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.See all Door & Window AlarmsTop comment"ring alarm sensors are easy to set up works great!...Great Alarm sensors...2nd gen sensor are so sleek, very simple installation."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
Aqara - P2 Door and Window Sensor- Matter Natively Support, Need Matter Border Router, Remote Alarm and Local Automation - White
Model: DW-S02DSKU: 6568825Top comment"Can be used as motion or occupancy sensor or as an alert to a door/window being opened as part of a monitored or unmonitored alarm system. ...Great Matter Door/Window Sensor if you have a Thread border router...This one has Thread, so if you don't have an Aqara hub, it will still work if have a border router (Home Hub, etc). Basically, If you have Matter over Thread working in your home, and you need a door/window sensor to give you real time info, this sensor works perfectly and feedback is pretty much instant. "
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Aqara Door and Window Sensor P2 not only incorporates all the advanced automation and security features Aqara is known for, but also gives users the option to connect it directly to third-party Thread border routers, such as smart speakers, and use all the benefits of the Matter smart home standard.Top comment"Can be used as motion or occupancy sensor or as an alert to a door/window being opened as part of a monitored or unmonitored alarm system. ...Great Matter Door/Window Sensor if you have a Thread border router...This one has Thread, so if you don't have an Aqara hub, it will still work if have a border router (Home Hub, etc). Basically, If you have Matter over Thread working in your home, and you need a door/window sensor to give you real time info, this sensor works perfectly and feedback is pretty much instant. "
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Aqara Door and Window Sensor P2 not only incorporates all the advanced automation and security features Aqara is known for, but also gives users the option to connect it directly to third-party Thread border routers, such as smart speakers, and use all the benefits of the Matter smart home standard.See all Door & Window AlarmsYour price for this item is $24.99The comparable value price is $29.99
Aqara - T1 Door and Window Sensor- Requires Hub product, Supports Apple HomeKit, Alexa, Google, SmartThings - White
Model: DW-S03DSKU: 6568829Top comment"I really like this door sensor, it works great and the alarm is loud enough to hear throughout the house! ...Great sensors for HomeKit Alarm...I bought a bunch of these for my condo's doors and windows, and the sensors have performed very well. Setup was quick with the Aqara app, and the sensors properly communicate to the hub and HomeKit to which doors are opened and closed. "
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Aqara Door and Window Sensor T1 detects the open and close state of doors or windows through the distance between the sensor unit and the magnet. It consumes a minimal amount of energy. No tools are required, just stick it to the desired place and use it in a dozen of possible use cases.Top comment"I really like this door sensor, it works great and the alarm is loud enough to hear throughout the house! ...Great sensors for HomeKit Alarm...I bought a bunch of these for my condo's doors and windows, and the sensors have performed very well. Setup was quick with the Aqara app, and the sensors properly communicate to the hub and HomeKit to which doors are opened and closed. "
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Aqara Door and Window Sensor T1 detects the open and close state of doors or windows through the distance between the sensor unit and the magnet. It consumes a minimal amount of energy. No tools are required, just stick it to the desired place and use it in a dozen of possible use cases.See all Door & Window AlarmsYour price for this item is $16.99The comparable value price is $19.99Select pickup
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