Wireless Door Window Burglar Security Alarm System Entry Detector Sensor
This Wireless Door Window Entry Detector could be used for alarm system with 1.5M / 4.7M and315Mhz / 433Mhz.
1. Brand New, High Quality.
2. Easy to operate.
3. Prompt automatically about low power of battery.
4. Power Supply : 23.12V Battery (Not included).
5. Working distance : Over 100m (Open field).
6. Size : 7 x 3.5 x 1.6cm.
7. Frequency : 315Mhz
Installation Method :
1. Install part A on the edge of moveable door or window, install part B on the fixed doorframe or window frame. The two parts must be not more than 1-2 cm distance when the door or window closed.
2. When the door or window opened from the closed position, indicator "1" will shine, the entry detector will send alarm message to the main unit.
3. If indicator "2" shine, the power of entry detector is low battery, you need to change battery.