Wireless Doorbell Self-Power Intelligent Door Bell 58 Chord Music 4 Volume Levels Adjustable Bell

Description: 
1.This wireless chord music door ring makes it more convenient for you to know when the visitor comes; 
2.The chord music doorbell features 58 built-in chord musics, let you can freely choose the one you like; 
3.The chord music doorbell features 4 levels of volume adjustments, you can easily adjust it or mute it; 
4.The wireless doorbell features a simple and fast installation, easy to use; 
5.The smart doorbell can be used in many places, such as home, office, dorm, apartment, and so on; 
 
Specification: 
Material: ABS; 
Music: 58 chord music; 
Color: White; 
 
Size: 
Reciever size: 62x102mm, 
Transmitter size: 44.7*75.7mm; 
 
Package Include: 
1x Doorbell receiver; 
1x Doorbell transmitter; 
1x User manual; 
1x Double sided sticker; 
2x Screw;