433MHz Wireless Smart Video Doorbell Chime Music Receiver Home Security Indoor Intercom Door Bell - Black EU Plug

• Installation is simple and convenient

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

• 52 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: 52 songs

• Volume: 5 levels

• Weight: 0.1kg