Specification:
Power requirements: DC=12V-8.4V (A23 DC=12V battery inside)
Current consumption: Less than 20¦ÌA; Less than 15mA while transmitting
Transmit frequency: 315MHz or 433MHz(optional)
Transmit duration: Less than 1s
Transmit distance from host: More than 1000m(no obstacle); Less than 15mm between part A and part B
Working Temperature: -10º C to 40º C
Humidity: Less than 90%

Installation:
We define the Magnetic door/window contact PH-WMC for two parts: Part A and part B. First pack the battery into the part A, and then according to the show of sketch map to fix part A and part B (with screws is more better) on the monitored door/ window. It is better if the distance between them is closer.

Notice:
Use PH-WMC, you should better pull out the antenna wholly, and then open the monitored door/window. It is all right that the work LED shows. At the same time, the host will alarm. If the work LED doesn't show or host doesn't alarm, please check whether the low power LED is show. If yes, please change battery. If no, please contact with us for more support.