microcomputer control infrared sensor detector doorbell multifunctiona energy saving doorbell
USD $3.2 - $3.5 /Piece
Min.Order:1 Piece
Shenzhen QZT Electronic And Technology Co., Ltd.
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microcomputer control infrared sensor detector doorbell multifunctiona energy saving doorbell
introduction
1. The product uses advanced microcomputer technology, automatic infrared body detector, provides excellent performance.
2. It is energy saving and multifunctional, used as welcome entry bell and doorbell.
3. With special device to prevent false positives, when people trigger the infrared sensor, it gives alarm, music or greetings.
4. It can be used in office building, home, store, factory etc. bringing people convenience, pleasure and safety.
Specifications:
Working Voltage: 3 AAA 1.5V Batteries or DC 9V Power Adapter (without battery)
Infrared sensing distance: 0-8 meters
Detecting Angle/Range: 60° up and down, 110° around
Induction Way: Infrared Induction
Turn on Delay: 10 seconds
Environment Temperature/Moisture: -25—55 5—95RH
Package: Neutralized Paper Blister Card in Chinese and English
Size of Product: 68MM*37MM*90MM
Weight: 0.1KG
Packing Includes:
Alarm*1
Support*1
Instructions:
1. Install the support where you want or on the table top with screws.
2. Open the back cover in the direction of the arrow, and put in 3 AAA 1.5V batteries (alkaline battery best), then close the cover and turn on it. 9V power adapter also can be used.
3. Press the black button to choose music, 16 songs to choose from.
4. Install the doorbell on the rotatable support through the back bayonet. When guests come in, the electronic doorbell will produce the music chosen.
5. As for alarm, the detector should be mounted on the balcony, door, window, stair and other place theft are likely to enter from. Adjust the detector angle to make it work when theft enter into defence area.