Chuango Door/Window Contact (Reed Switch) detects when a door or window is opened. Consists of the Reed switch sensor and a small magnet. When the reed and magnet separate, the sensor sends a signal to the Chuango alarm panel
- Dimensions: 7.1cm x 3.4cm x 1.7cm
- Transmission Range: < 80m
- Power Supply: 1 x AA / DC 3V
- Connection: Wireless