The Sonoff DW1 is an 433MHz RF Door / Window Alarm Sensor which will work together with the Sonoff RF bridge. The sensor ultra-low power and uses an A23 (12V) battery which is not included. When the door or window opens, the sensor sends an 433.92MHz signal to the Sonoff RF bridge, triggering an scene or alarm in the eWeLink app.
Features:
Ultra-low power magnetic dedicated microprocessor
Supports wireless frequency of 433.92MHz
200m wireless transmit distance
Built-in antenna provided
Less than 1μA quiescent current
Specifications :
Support Battery: 12V 23A
Wireless frequency: 433.92MHz
Protocol: EV1527
Quiescent current: ≤5μA
Emission current: ≤10mA
Operating environment: -10℃-50℃ (14℉-122℉)
Product Size: 77*49.5*18.8mm
Battery: length 27mm, diameter 10mm, this model doesn’t come with battery
Weight: 45g
