Features: 1.Wired door bell 12V for security access control 2.Connect to DC 12V power directly 3.Features a bell sound, small size and wall-mount hole, very easy to install 4.High quality luxurious doorbell which is fashionable and exquisite in appearance can produce beautiful and pleasing ringtone.     Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description:Power supply mode: DC Power supply voltage: 220 (V) Ringtone: Normal Power consumption: 3 (W)  Volume of doorbell: 90db Size:87x62x23mm Color: White Package List: 1x Door Bell