Door Window Alarms
Best Buy customers often prefer the following products when searching for Door Window Alarms.
Enhance the security of your home with door window alarms, an essential addition to any safety-conscious household. These compact devices provide an extra layer of protection by alerting you to any unauthorized entry through doors or windows. Easy to install and user-friendly, they offer peace of mind whether you're at home or away. Perfect for apartments, homes, or offices, door window alarms are a cost-effective solution to help safeguard your loved ones and valuables. Explore our selection to find the perfect fit for your security needs and take the first step towards a safer living environment.
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...The new Matter-supported Aqara Door & Window sensor works great with HomeKit right out of the box! "
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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...The new Matter-supported Aqara Door & Window sensor works great with HomeKit right out of the box! "
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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 was able to received the door/window alarm complimentary for my honest review from @aqara & @influenster....Easy install on the door!...Not gonna lie, installation was a little stalled because I could not find the QR code for the door/window sensor for a hot minute (it’s inside of the sensor—like you are opening it to change the battery). "
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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 was able to received the door/window alarm complimentary for my honest review from @aqara & @influenster....Easy install on the door!...Not gonna lie, installation was a little stalled because I could not find the QR code for the door/window sensor for a hot minute (it’s inside of the sensor—like you are opening it to change the battery). "
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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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ecobee - SmartSensor for Doors and Windows (2-Pack) - White
Model: EB-DWSHM2PK-01SKU: 6412968Top comment"As a sensor for our smart thermostat, it’s awesome. If the door/window is open for more than 5 minutes, it deactivated the central air so that we don’t waste energy. ...Great Door/Window Sensors...[This review was collected as part of a promotion.] I like these door/window sensors. They give alerts through the app if your doors are open, which is great when you have kids in the house. "
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Get even more peace of mind with SmartSensor for doors and windows. They protect your home with instant notifications when an entryway or access point is opened or closed. With an ecobee Smart Security subscription, you can unlock even more and get instant alerts when any unexpected motion is detected in your home.See all Door & Window AlarmsTop comment"As a sensor for our smart thermostat, it’s awesome. If the door/window is open for more than 5 minutes, it deactivated the central air so that we don’t waste energy. ...Great Door/Window Sensors...[This review was collected as part of a promotion.] I like these door/window sensors. They give alerts through the app if your doors are open, which is great when you have kids in the house. "
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Get even more peace of mind with SmartSensor for doors and windows. They protect your home with instant notifications when an entryway or access point is opened or closed. With an ecobee Smart Security subscription, you can unlock even more and get instant alerts when any unexpected motion is detected in your home.
Ring - Alarm Security Kit 9-Piece (2nd Gen) - White
Model: B0BTN48P6GSKU: 6560368Top comment"Rin alarm Pro...Love this security bundle and how easy it was to install all the different tools and sensors.Really love it also came with multiple door sensors."
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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 SystemsTop comment"Rin alarm Pro...Love this security bundle and how easy it was to install all the different tools and sensors.Really love it also came with multiple door sensors."
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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.
Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White
Model: 4SD1SZ-0EN0SKU: 6403955Top comment"Ring door / window sensoe...I have the original Ring alarm and was worried about this sensor. I love it ! ...Excellent Alarm System...Fits almost imperceptibly on the doors and windows. The app is very user-friendly. "
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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 door / window sensoe...I have the original Ring alarm and was worried about this sensor. I love it ! ...Excellent Alarm System...Fits almost imperceptibly on the doors and windows. The app is very user-friendly. "
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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.
Ring - Alarm Outdoor Contact Sensor - Gray
Model: B0923BK77SSKU: 6481972Top comment"Door gate...This is an wxcellent addition to current ring monitoring kit that adds more protection for outdoor doors and gates"
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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"Door gate...This is an wxcellent addition to current ring monitoring kit that adds more protection for outdoor doors and gates"
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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
TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors x2, and Smart Hub w/ adjustable chime/siren Included - White
Model: TTB10 KITSKU: 6594360Top comment"Door/window sensors...Like I’d like to get an alarm if front door is opened after 11 but only if there’s no motion detected inside right before that. "
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Stay informed and protected with Tapo's comprehensive home security solution. Monitor doors, windows, cabinets, refrigerators, and mailboxes for suspicious activity and receive instant alerts. Customize motion detection sensitivity for precise coverage, up to 23 feet. Deter intruders with a loud alarm triggered by motion or door sensors, and receive real-time notifications. Review detailed event logs in the Tapo app for added peace of mind. Centralize your smart home with the Tapo Hub, connecting sensors, switches, and buttons seamlessly while extending battery life. Enjoy easy installation with tool-free setup and flexible mounting options.See all Motion Sensors & DetectorsTop comment"Door/window sensors...Like I’d like to get an alarm if front door is opened after 11 but only if there’s no motion detected inside right before that. "
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Stay informed and protected with Tapo's comprehensive home security solution. Monitor doors, windows, cabinets, refrigerators, and mailboxes for suspicious activity and receive instant alerts. Customize motion detection sensitivity for precise coverage, up to 23 feet. Deter intruders with a loud alarm triggered by motion or door sensors, and receive real-time notifications. Review detailed event logs in the Tapo app for added peace of mind. Centralize your smart home with the Tapo Hub, connecting sensors, switches, and buttons seamlessly while extending battery life. Enjoy easy installation with tool-free setup and flexible mounting options.
Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
Model: 4SD6SZ-0EN0SKU: 6403961Top comment"Door & Window contacts...The door and window contacts work great except for the size. ...Good deal on the 6-pack of door/window sensors if you need to expand your Ring Alarm system. "
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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"Door & Window contacts...The door and window contacts work great except for the size. ...Good deal on the 6-pack of door/window sensors if you need to expand your Ring Alarm system. "
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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.
Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White
Model: 4SD2SZ-0EN0SKU: 6403968Top comment"Video doorbell needs strong wifi signal. Door & window sensors easy to install....easy to install and monitors whatever door/window effortlessly"
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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"Video doorbell needs strong wifi signal. Door & window sensors easy to install....easy to install and monitors whatever door/window effortlessly"
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 Outdoor Contact Sensor 2-pack - Gray
Model: B09BXZ6YX8SKU: 6491672Top comment"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. ...Great way to monitor doors and entry"
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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"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. ...Great way to monitor doors and entry"
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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
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