Two Mode: Alarm mode and Chime mode. At Alarm mode, the doorbell will alarm when thief sneaks into the house. At Chime mode, when the guest comes into the detecting area, it will sound Hello, Welcome
Infrared remote sensor detection has high sensitivity and is not affected by light conditions. It can work day and night, unlike others that are light-controlled, and cannot work in a dark environment.
Using chip integrated circuits, micro-power consumption. Elegant design, fashionable, easy to use, sound loud.
Easy to install: no wire needed, eliminating the trouble of line laying, no affect on decoration and appearance.
The detector lens should face such place that is easy for thieves to enter into as the balcony, window, and the stairway. The height of the detector should be in the proper range and the angle of detector should be adjusted, so that the doorbell will ala