Alert Sensors
Best Buy customers often prefer the following products when searching for Alert Sensors.
Discover the world of alert sensors, where cutting-edge technology meets peace of mind. These innovative devices are designed to keep your home or business secure by detecting unexpected changes in your environment. Whether you're looking to enhance safety, monitor activities, or simply stay informed, alert sensors offer a versatile solution tailored to your needs. From motion detection to environmental monitoring, these sensors provide real-time alerts that help you stay one step ahead, ensuring that you're always in the know. Explore our range of alert sensors and find the perfect addition to your smart security setup today.
SimpliSafe - Water Sensor - White
Model: SS3-WATERSKU: 6305563Top comment"Good sensor...These water sensors are quite good Would recommend...Excellent sensor!!...I tested by poured water underneath the sensor and it alert me quickly.It’s so easy to add this sensor to my SimpliSafe system. "
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Be notified of possible home flooding with this SimpliSafe water sensor. It emits an audible alert when it touches water to provide an immediate warning, and it works with SimpliSafe alarm monitoring plans to deliver email alerts when you're away. This SimpliSafe water sensor has double-sided tape to hold it securely in areas where water damage is possible.Top comment"Good sensor...These water sensors are quite good Would recommend...Excellent sensor!!...I tested by poured water underneath the sensor and it alert me quickly.It’s so easy to add this sensor to my SimpliSafe system. "
See all customer reviewsSee all Water & Temperature SensorsProduct Description
Be notified of possible home flooding with this SimpliSafe water sensor. It emits an audible alert when it touches water to provide an immediate warning, and it works with SimpliSafe alarm monitoring plans to deliver email alerts when you're away. This SimpliSafe water sensor has double-sided tape to hold it securely in areas where water damage is possible.See all Water & Temperature SensorsYour price for this item is $20.99The comparable value price is $29.99Select pickup
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Swann - Wireless Motion Alert Sensor (2-pack) - White
Model: SWIFI-MOTIONPK2-GLSKU: 6494957Top comment"[This review was collected as part of a promotion.] The Swann - Motion Alert Sensor seems to do a good job. The sensor seems to be really sensitive and sends notifications to your phone. ...Awesome Wireless Motion Alert Sensor!...The Swann Wireless Motion Alert Sensor is amazing! I placed this in my living room to catch any movement by the front door. "
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Attach this Sensor where it’s needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more! The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that’s a powerful deterrent for intruders.Top comment"[This review was collected as part of a promotion.] The Swann - Motion Alert Sensor seems to do a good job. The sensor seems to be really sensitive and sends notifications to your phone. ...Awesome Wireless Motion Alert Sensor!...The Swann Wireless Motion Alert Sensor is amazing! I placed this in my living room to catch any movement by the front door. "
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Attach this Sensor where it’s needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more! The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that’s a powerful deterrent for intruders.See all Motion Sensors & DetectorsYour price for this item is $34.99The comparable value price is $54.99Select pickup
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T1 Water Leak Sensor- Requires Aqara Hub, Supports Apple HomeKit, Alexa, Google, SmartThings - White
Model: WL-S02DSKU: 6568826Top comment"It alerts you when water is detected so you can be proactive in catching it before it becomes a problem. ...The Aqara Water Leak Sensor is designed to detect and alert you right away when water leaks. "
See all customer reviewsSee all Water & Temperature SensorsProduct Description
Aqara Water Leak Sensor T1 detects water leak or flooding events and monitors the status of water leak. When the water leak or flooding occurs, it can send an instant alert notification via app. It also works with other smart accessories to automate your home.Top comment"It alerts you when water is detected so you can be proactive in catching it before it becomes a problem. ...The Aqara Water Leak Sensor is designed to detect and alert you right away when water leaks. "
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Aqara Water Leak Sensor T1 detects water leak or flooding events and monitors the status of water leak. When the water leak or flooding occurs, it can send an instant alert notification via app. It also works with other smart accessories to automate your home.See all Water & Temperature SensorsYour price for this item is $17.99The comparable value price is $20.99Select pickup
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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 sensors are also incredibly reliable, with no false alarms or false positives. "
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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 sensors are also incredibly reliable, with no false alarms or false positives. "
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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 sensor...works great. we are happy as it alerts us to folks coming through our gate...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"
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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 sensor...works great. we are happy as it alerts us to folks coming through our gate...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"
See all customer reviewsSee all Door & Window AlarmsProduct 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 AlarmsYour price for this item is $49.99
SimpliSafe - Motion Sensor - White
Model: CA001-01RUSSKU: 6543525Top comment"I ourchased this sensor becausenit is the updated version. I dont know of its just this sensor, but it has a issue where on ocassion it will go offline, then after a couple hours it will come back online. ...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."
See all customer reviewsSee all Door & Window AlarmsProduct Description
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 ourchased this sensor becausenit is the updated version. I dont know of its just this sensor, but it has a issue where on ocassion it will go offline, then after a couple hours it will come back online. ...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."
See all customer reviewsSee all Door & Window AlarmsProduct Description
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.
Ring - Alarm Glass Break Sensor (2-Pack) - White
Model: B09BY4LKKGSKU: 6492198Top comment"Ring window brake sensors...Like the ring, brake window sensors wonderful company...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"Ring window brake sensors...Like the ring, brake window sensors wonderful company...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 Glass Break Sensor - White
Model: B08TG6NCTSSKU: 6492193See all Door & Window AlarmsProduct Description
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 AlarmsProduct Description
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 $39.99
SimpliSafe - Glassbreak Sensor - White
Model: SS3-BBY-GBREAKSKU: 6323161Top comment"Glassbreak Sensors...The Glassbreak Sensors were easy to integrate into the SimpliSafe system and was easy to place in my home....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 Sensors...The Glassbreak Sensors were easy to integrate into the SimpliSafe system and was easy to place in my home....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.
Traeger Grills - Pellet Sensor - Black
Model: BAC523SKU: 6448303Top comment"Pellets sensor...No need to watch or fill until necessary. Alerts to your phone through the app...Pellet sensor alerts are great...Product works great and provides alarms when it senses the pellets are low. Love that the alerts come from the grill as well as through the app."
See all customer reviewsSee all Grill PartsProduct Description
Compatible with D2WiFIRE®-enabled grills, the Traeger Pellet Sensor keeps an eye on yoursupply, ensuring you never run out of pellets again. This smart device lets you monitor yourpellet levels anytime, anywhere, and even sends you automated alerts when you’re runninglow, all through the Traeger App.Top comment"Pellets sensor...No need to watch or fill until necessary. Alerts to your phone through the app...Pellet sensor alerts are great...Product works great and provides alarms when it senses the pellets are low. Love that the alerts come from the grill as well as through the app."
See all customer reviewsSee all Grill PartsProduct Description
Compatible with D2WiFIRE®-enabled grills, the Traeger Pellet Sensor keeps an eye on yoursupply, ensuring you never run out of pellets again. This smart device lets you monitor yourpellet levels anytime, anywhere, and even sends you automated alerts when you’re runninglow, all through the Traeger App.See all Grill PartsYour price for this item is $39.99The comparable value price is $89.99Select pickup
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