Description:
Brand new and high quality
Lightweight and small size
Portable to carry
Convenient to install and disassembly
Realtime perception of doors and windows switch, linkage control human body IR sensor, and more other sensors to realize security alarm, and allowing you to DIY smart scenes. This model supports Amazon Alexa and Google Home voice control.
Unauthorized opening of doors and windows, timely alarm
Anytime, anywhere can know whether the home doors and windows are closed
Doors and windows antitheft protection, the doors and windows sensors attached to the doors and windows, through the App check, the doors and windows sensors to join the alert trigger conditions
Model: SONOFF DW1(Door Window Alarm)
Color: white
Support Battery: 12V 23A ( Battery Not Included )
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

Specifications:
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
Lightweight and small size
Convenient to install and disassembly
Real-time perception of doors and windows switch
Doors and windows anti-theft protection
Doors and windows sensors attached to the doors and windows

Package Included:
1 x Door And Window Sensor(not include battery)