The Sonoff PIR2 is an 433MHz RF Sensor which will work together with the Sonoff RF bridge. The sensor ultra-low power and uses two AA (3V) battery's which are not included. When the sensor detects movement (12m x 12m area) sensor sends an 433.92MHz signal to the Sonoff RF bridge, triggering an scene or alarm in the eWeLink app.
Features for Sonoff PIR2 sensor
Dual infrared
Ultra-low power microprocessors
Double temperature compensation technology
Robust and durable, suitable for homes, offices, sheds, garages etc.
Easy installation and set-up, wall-mounted
Specification for Sonoff PIR2 sensor
Transmit distance: 150m (open)
Voltage: 3V (2*AA)
Standby current: ≤9μA
Alarm current: ≤10mA
Wireless frequency: 433.92MHz
Wireless Transmit Code: 1527Mhz (default)
Detection distance: 12m@ 25℃
Detection angle: 110 degrees
Maximum coverage area: 12m*12m
Alarm indicator light: on for 3 seconds
Working environment: indoor
Tamper switch: normally closed
Anti-white light intensity: 10000Lux
Packing size: 165*65*50mm
Product Size: 120*62*46mm
Battery type: 2*AA (Note: this model doesn’t come with battery)
Weight: 120g