- The sensor is used to detect the open/close state of the door. When the door opens, the receiver will ring and the light will turn on to alert you. Ideal for door-opening alarms, burglary prevention, etc.
- Simple to install, simply attach the sensor to the door/window with double-sided adhesive.
- Door chime receiver is powered by AAA battery (not included), and requires no power socket.
- 55 ringtones, 5-gear volume (0-110db), and enable to set mute mode. The receiver features 5 LED lights, and they will be on when it ring. 500 feet transmission distance.
- Contact us to acquire solutions in case of any problem. We offer 1-year warranty service, and will reply to your message within 24 hours.
