Wireless Door Window Magnetic Sensor Alarm 120dB Anti-theft 300ft Remote Control Detectors

h1Introductionh1
1 It will impressively detect and wake up when the door and window are open you can also program with remote control and detection function

2 It is very comfortable with home decoration

3 Works with PIR sensor door sensor emergency button etc

4 The door sensor detection server can learn up to 20 remote controllers and each defense zone can learn 10 detectors It has four defense zones You can get more than 40 detectors