- Unit Type: lot (10 pieces/lot)
- Package Weight: 0.5kg (1.10lb.)
- Package Size: 35cm x 25cm x 12cm (13.78in x 9.84in x 4.72in)
Cheap detector module, Buy Quality detector door directly from China detector alarm Suppliers: Free shipping GSM Alarm System White 10pcs wireless Door magnetic sensor High quality new Home Burglar Security Alarm System
Wireless 433mhz Door Window Gap Sensor For Our Alarm System
Just for our alarm system: we made this kit just for our customers\' extra need
Wireless Door Window Gap Detector Sensor 433MHz
Door / Window Sensors:
These sensors are used to protect the opening of both doors and windows.
If a burglar opens the protected door or window, a magnetic switch inside the sensor,
will trip, which sets off the security system.
Install one at every entrance to make sure your home is protected. Each sensor is
supervised (self-checking) for professional reliability and offers you choice in design and performance
It will work with alarm systems, compatible with most standard security system.
Pull out the antenna of the magnetic detecto: when the door or window is opened
from the closed position, LED 1 will turn to red for 2 seconds,
the magnetic detector will be triggered and will send alarming signal to the main unit.
Indication of low battery: When the voltage of battery is less than 7.5V, LED 2 will straightly turn on red light.
At this time, you nee to immediately change t