Features:
*Guest welcome device&anti-theft alarm doorbell: when the guest is into the detection range, welcome your guests with beautiful song or human voice automatically; motion detector, alarm triggered by motion, keeping you aware of intruders or visitors anywhere around your home.
*32 different sounds for choice, you can change the music by the music selection Bu-tton. Volume adjustment: 3 level of adjustable sound volume, press the Bu-tton and adjust the volume.
*3 modes for your choice: doorbell mode, music mode, alarm mode. Strong sensitivity, good drop resistance, sound sweet.
*Easy Installation: With the double-sided adhesive sticker, you can stick the door bell anywhere you want, or you can use the screws to fast the door bell on the wall, wood bo-ard, aluminum bo-ard etc.
*Wide usage scope: Suitable for dwelling houses,apartments, shops, offices, factories and so on.

Specifications:
Type: Induction doorbell
Working Voltage: 1.5V
Power consumption: 1W
pow-er sup-ply: DC9V or 3*AAA (lifetime: about 1-2 months, the product does not contain the)
Detection distance: 0-8 meters
Detection angle: Up and down 60 degrees, left and right 110 degrees
Volume: 80db
Modes: 3(doorbell mode, music mode, alarm mode optional)
Volume Range:3 Levels
Music: 32 Options
Waterproof: Not Support
Color: White
Material: ABS
Scope: Shops, families, shopping malls

Package Information:
Package Size: Approach. 11*11*3cm / 4.3*4.3*1.2in
Package Weight: Approach. 110g/3.9oz