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 SENSOR: 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.
LOUD ALARM: 100-110 dB tones can be heard clearly and loudly, this ring will not only alert the neighbors of the intrusion, but scare away the burglar right out of your house! Using chip integrated circuits, micro-power consumption.Elegant design, fashionable
EASY INSTALLATION:The doorbell detector has no wire needed, eliminating the trouble of line laying, no affect on decoration and appearance. This detector provides 110 degrees wide viewing angle, gives you a further viewing vision, and you can keep an eye around your home all the time,
APPLICATION: 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 alarm when the thief sneaks into your house. And it should be hidden on 2.5 to 3 meters high.