CACAZI K01 Pager Wireless Smart Music Doorbell, Random Color Delivery, US / EU / UK Plug

1. Power mode: AC 2. Power supply voltage: 110/220 (V) 3. Ringtones: 36 songs 4. Power consumption: 1 (W) 5. Scope of application: 300 meters 6. Size: transmitter: 80x45x22mm; receiver: 90x62x28mm 7. Scope of application: family commercial residential area, office building, hospital, factory, restaurant 8. Battery: 12V3A battery