433MHZ Wireless Door Magnetic Sensor Detector For Touch Keypad Panel GSM PSTN Home Security Burglar Voice Alarm System
Note:
if you don't buy the alarm device from our store,we can't give 100% guarantee that the sensor is compatible with your device.hope your understanding for this.
Use the random equipped double-side tape to stick a magnetic stripe on the door and affix the gate magnetic emission box on the doorframe. Pay attention to put the magnetic strip close to the side with indicator lights of the emission box during installation, assuring proper alignment and the smaller distance the better.
1/3/5/8/10x D025 Wireless Door Sensor(Default 433mhz not include battery )
