Protect Sensor
  • Protect Sensor
  • Protect Sensor
  • Protect Sensor
  • Protect Sensor

Protect Sensor

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A battery-powered smart sensor capable of detecting motion, lighting, and environmental changes.


  • Motion detection range: up to five meters (16 ft)
  • Temperature, light, humidity, and water-level* detection
  • Built-in accelerometer and magnetic entry sensor for detecting door/window openings
  • Detection alarm system**
Dimensions Ø24 x 83.5 mm (Ø0.94 x 3.29")
Weight 50.2 g  (1.77 oz)
Enclosure material Polycarbonate
Mount materials Flat wall mount: polycarbonate, adhesive
Corner mount: polycarbonate, adhesive
Additional gear Magnet
Water sensor adapter (Only available in the 3-pack at general release.)
Processor MCU Processor at 40 MHz
Networking interface Bluetooth 5.0, BLE
Max. TX power 5 dBm
Max. power consumption 77mW
Power method Lithium battery CR123A
Sensor features Motion sensor (5 m/16 ft max. range)
Magnetic entry sensor for door or window open/close
Accelerometer for garage door open/close
Temperature sensor
Humidity sensor
Ambient light sensor
Alarm sound sensor
Water sensor for detecting leaks and floods (requires water sensor adapter accessory, only available in 3-pack at general release)
BLE connectivity from access point in indoor setting (recommended range 15 m/49 ft, performance will vary based on environment)
Antenna 2.4 GHz
Antenna gain 0.5 dBi
Button Factory reset
Operating temperature 0 to 45° C (32 to 113° F)
Operating humidity 10 to 90% noncondensing
Certifications FCC, IC, CE
UniFi OS application UniFi Protect
Mobile app UniFi Protect iOS™ and Android™
1 Item