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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 the battery.
Working voltag: 12V23A battery
Charging Current: 15mA
Static Current: 18uA
Transmission Current: 16.5mA
Transmission Freqency: 433MHz
Transmission Distance: 30m
NOTE: due to different Gap sensor from different manufactures, the parameter will be different, so these GAP sensors just for our alarm system. If your alarm system was NOT from us, please do NOT buy. Package Content
8 * Wireless Door Window Gap Sensors Installation Guide
If you need, you can also contact the police, fire department, hospital or other emergency personnel to come to your home immediately. You can contact child/older to confirm whether they are okay or in need of asistance. We have more Wireless&Wired Sensors/Detectors for you choose, if you have any necessary or specific requirement, please feel free to contact us: