Product Type: Wireless DC Digital Doorbell

Product model: HM-3336AC

Use voltage: Transmitter: 1/12V 23A Battery/Receiver: AC85V-260V

Product weight: 100G

Music selection: 51 chord music (4 volume adjustable)

Color choice: white black

Waterproof rating: IP44

Doorbell material: ABS material

Remote control effective distance: 150M