Sonoff DW1 Door Window Alarm Sensor Wireless Automation Anti-Theft Alarm Smart Home Security Alarm System

Feature

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.
Easily attach the main sensor on the door/window.
Perfect guardian against the unwanted intruder whether you are in or out, keep yourself and your property safe and security.

Specifications:
Material: plastic.
Color: show as pictures.
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.

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package include:
1 * DW1 Door Window Sensor.