Home Security Wireless Garage Driveway Alarm Doorbell 2 Motion Sensor Detector

Description

KERUI M525 Wireless 500ft Long Range Door/Window Open Alarm Doorbell Alarm with 1 M525 Receiver+ 1 D022 Door Sensor
Feature:
1.Keep your children safe - Alert when you little one opens the door
2.Alerts when burglar opens door and helps deter break-ins
3.Door/Window open alarm with Mute to Loud dB
Introduction:
1. Monitor Every Areas You Care with Wireless Door Chime
500 feet far enough to cover every door and window in your house. Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers.
2. Lifeguard for Your Family
This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates)
3. Easy to install
Just plug the receiver into power socket and attach the door sensor on door, just keep the sensor and magnetic strip within 0.4inch. You don't even necessarily have to make holes or damage anything.
4. 32 songs optional
32 ringtones for your option,you can select regularly,and don't feel bored. Avoid the same ring with the neighbors.
5. Strong signal, 150m long distance Transmission
Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc.
6. Compatible with alam sensors & detectors
One transmitter can pair with several(max 30) receivers, and one receiver can pair with several(max 30) transmitters. Customize your doorbell according to your need.