High Reliable Dual Wireless Door Sensor
Specifications
High Reliable Dual Wireless Door Sensor:1) High reliably
2) Auto-reset
3) Excellent Stability
4) the wireless emitter part
1)Wireless frequency: 315MHz/433MHz.
2)wireless distance: 100m open area
3)installation please assure the two parts be closely fixed, the gap not more than 1.0cm. the two parts should not closely mounted on the surface of metal materials, otherwise the distance will be shorter.
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