433MHz Plug-in Chime Wireless Video Doorbell Adjustable Volume Music Selection Ding-Dong Door Bell - White US Plug

• Installation is simple and convenient

• Ultra low power design, power saving and long-lasting use

• 60 first polyphonic ringtones

• 5 level optional volume adjustment

• With Power-off memory function

Specification:

• Working voltage: AC90-260V

• Working current: 20mA

• Working frequency: 433MHZ

• Output power: 3.5W

• Music: 60 songs

• Volume: 5 levels

• Weight: 0.09kg