KERUI 433mhz Wireless Door Window Sensor Open Detector GSM PSTN Home Alarm System Home Security Voice Burglar Smart Alarm System

KERUI 433mhz Wireless Door Window Sensor Open Detector GSM PSTN Home Alarm System Home Security Voice Burglar Smart 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.

• 1, Transmission frequency: 433MHz

• 2, Operating Power: 1*23A 12V Battery(not including)

• 3, Built-in Antenna

• 4, It will send the alarm signal to control host once the door or window is opened 

Kit1 : 1*wireless door window sensor(battery not including)

Kit2 : 3*wireless door window sensor(battery not including)