Connection Type: Wireless
Music Sound: 32 melody music
Input Voltage: DC 3V
Chime: power by 2 x 1.5V AA battery (battery not incluced)
Bell push uses: 1x 12V 23A Alkaline battery (not included)
Remote Control Size: 72 x 38mm Door bell
Size: 95 x 60 mm
Model Number: Wireless Chime Smart Door
Bell Doorbell Type: Wireless
Doorbell name: Remote control wireless door bell
Unit Type: Set
Package Weight: 0.2 kg ( 0.44 lb.
) Package Size: 100cm x 60cm x 30cm ( 39.37 in x 23.62 in x 11.81 in)