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Please Note: The door alarm sensor can only work with Broadlink alarm host, can't work with other alarm host.
This is a door and window alarm sensor. The door alarms can work with Broadlink S1/S2/S1C Security Alarm Set. The door alarm sensor detects the opening status and immediately sends alarm notification message to the APP. 

*Supports wireless frequency of 433.92MHz. 30m wireless transmit distance.
*Self-Test Report: Report the current state with the host every 60 minutes.
*Simply attach one piece to your door, window or cabinet door, and attach the other piece to the door or window frame.
*Ideal intrusion warning for homes, apartments, dorms, offices, hotel rooms, garages, shop counter, internet bar, etc.
*Built-in antenna provided. Excellent design, tiny and fashion. Easily install with adhesive tape or screws.

Support Battery: DC 3V 2*AAA (Note: this model doesn't come with batteries)
Wireless Frequency: 433.92MHz ASK
Protocol: EV1527 
Quiescent Current: ≤8μA
Working Current: ≤15mA
Transmission Distance: 30m (Open area)
Operating Environment: -10℃-50℃ (14℉-122℉)
Size: Main Body (D*W*H): 78*37*19.5mm
Deputy Body (D*W*H): 78*13*19.5mm

Package Information:
Package Size: Approx. 10.1*5.7*2.8cm / 4*2.2*1.1in
Package Weight: Approx. 57g/2oz 

Packing List:
1 * Broadlink S1C Door Sensor
1 * Set Mounting Screws
1 * Set of Stickers
1 * User Manual

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