Sonoff DW1 Wireless Automation Door Window Alarm Sensor
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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. 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.
1 x DW1 Door Window Sensor
Package Weight：0.055kg (0.121lb)
Package Size：8cm x 5cm x 2cm (3.15in x 1.97in x 0.79in)
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Please note:the standard and ecpedited shipping costs are only estimates;the actual shipping price will be shown on the order page.