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

•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 Package included: •1 x Plug-in Chime Wireless Video Doorbell •1 x English and Chinese User Manual •Other items not included