Sensor Security
A security sensor is a device that is designed to detect the presence of an intruder and alert the homeowner. They are often used in conjunction with a video surveillance system. Browse the top-ranked list of security sensors below along with associated reviews and opinions.
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Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White
SKU: J36CLVSCTRSee all Door & Window AlarmsProduct Description
A white, battery-powered contact sensor that alerts you via app when doors or windows are opened.$14.99 Your price for this item is $14.99 -
SimpliSafe - 1pack Entry Sensor - White
SKU: J3L6GWR5Y9Security sensors...Bought these sensors to add to my simplisafe security system, they work real good, would highly recommend this system & brand...SimpliSafe Entry Sensor...Added addition sensors to cover...
See all Motion Sensors & DetectorsProduct Description
A discreet white entry sensor that easily installs on doors or windows for reliable home security monitoring.$15.99 Your price for this item is $15.99 -
SimpliSafe - 4pack Entry Sensor - White
SKU: J362VFSXGRI needed some extra entry sensors for my Simplisafe security system. Best Buy had them available to purchase individually or in packages of four. ...Sensors work perfectly. Easy to setup and install....Simplisafe...
See all Motion Sensors & DetectorsProduct Description
A set of four white, battery-powered entry sensors for easy installation on doors or windows.$54.99 Your price for this item is $54.99 -
SimpliSafe - Glassbreak Sensor - White
SKU: J3L6GWR5STGlass Break Security...We have French doors that these sensors have increased our sense of security....One sensor versus three...This sensor can save you some money when it comes to multiple windows instead...
See all Door & Window AlarmsProduct Description
A white, battery-powered sensor that detects glass breaking within 20 feet for reliable home security.$39.99 Your price for this item is $39.99 -
SimpliSafe - Motion Sensor - White
SKU: J362VFS82GMotion 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....I ourchased this sensor becausenit...
See all Door & Window AlarmsProduct Description
A white, battery-powered motion sensor with pet detection, 90º field of view, and app compatibility.$29.99 Your price for this item is $29.99Save $5Was $34.99The previous price was $34.99 -
iBEAM - Motion Detection ADAS Back-Up Camera - Black
SKU: J7RX7YX52QSee all Back-Up CamerasProduct Description
A black motion detection camera with 180-degree sensing and parking line projection for safer reversing.$399.99 Your price for this item is $399.99 -
SPT - Wired 360 Fov Ceiling Mount Pir (Passive Infrared) Motion Sensor
SKU: J3GTZG9CVFSee all Motion Sensors & DetectorsProduct Description
A discreet ceiling-mounted PIR motion sensor offering 360° detection and reliable coverage for small to medium rooms.$29.57 Your price for this item is $29.57 -
SPT - Wired Dual Passive PIR Intruder Alarm Motion Sensor (2-Pack)
SKU: J3GTZG92JPSee all Motion Sensors & DetectorsProduct Description
A wired dual passive infrared motion sensor that reliably detects intruders by sensing heat changes in any space.$32.27 Your price for this item is $32.27Save $22Was $55.00The previous price was $55.00 -
SPT - Solar Powered CCTV Security Decoy Camera with Motion Sensor and Flash Lights (6-Pack) - Silver
SKU: J3GTZG9CXRSee all Outdoor Security CamerasProduct Description
A silver, weather-resistant decoy camera with solar-powered motion sensor and flashing lights for realistic security deterrence.$85.25 Your price for this item is $85.25 -
SPT - Solar Powered CCTV Security Decoy Camera with Motion Sensor and Flash Lights (4-Pack) - Silver
SKU: J3GTZG9CXGSee all Outdoor Security CamerasProduct Description
A silver, weather-resistant decoy camera with solar-powered motion sensor and flashing lights for realistic security deterrence.$75.50 Your price for this item is $75.50
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FAQ
Sensor security devices come in various types, including motion sensors, door and window sensors, glass break detectors, and environmental sensors that monitor for smoke, carbon monoxide, or water leaks.
Yes, many sensor security devices are compatible with popular smart home platforms, allowing you to control and monitor your security system through a single app or voice assistant.
Most sensor security devices are designed for easy DIY installation, with clear instructions and mounting hardware included. However, some advanced systems may offer optional professional installation services.
Many modern sensor security devices are wireless and battery-powered for easy placement and flexibility, while some models may offer hardwired options for continuous power and connectivity.
Sensor security devices typically send real-time alerts to your smartphone or email when triggered. Some systems also offer integration with monitoring services or can sound alarms locally.