SONOFF 3PCS DW1 Sensor 433Mhz Door Window Alarm Sensor Wireless Automation Anti-Theft Compatible With RF Bridge - White

Overview:
SONOFF DW1 Sensor is a door and window alarm sensor. The door alarms can work with Sonoff RF Bridge 433. DW1 door alarm sensor detects the opening status and immediately sends alarm notification message to the 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℉)
Battery type: L1028 (Note: this model doesn' t come with batteries)
Item Size: 77*49.5*18.8mm
Package Information:
Package Size: Approx. 12*10*6cm/4.7*3.9*2.4in
Package Weight: Approx. 140g/4.9oz
Packing List:
3 * Sonoff DW1 Sensor