CACAZI C86 Wireless SOS Pager Doorbell Old man Child Emergency Alarm Remote Call Bell, US Plug(Black)

1. 60 chord music options 2. 5 levels of adjustable volume (including mute) 3. Remote control distance: 80m on open space 4. Call button: 1 x CR2032 button battery(not included) 5. Transmitter: 1 x 12V/23A alkaline battery(not included) 6. Receiver: AC plug, support 110-240V voltage 7. Call button size: 60x34x11.5mm 8. Transmitter size: 72x46x21mm 9. Receiver size: 92x62x32mm