Features 【Excellent function】Visual doorbell support infrared night viewing, one way wake up, support to ring the doorbell, support real time view on mobile APP 【Rich music】Standard Ding dong music doorbell, 19 pieces of music, the volume of the sound can be adjusted 【Technical Parameters】The WiFi video doorbell has 0.3 megapixels, 480P HD night viewing and 85° viewing angle 【Multiple Functions】Smart wireless WiFi doorbell supports voice changing intercom and video call, and for tuya APP takes photos, videos and views records 【Easy to install】Smart video doorbell supports multi device connectivity without wiring and simple to install Specification: Item Type: Visualizable Smart Doorbell Model Number: M8 Power Supply: Built In Lithium Battery Capacity: 1000mah Charging: Type C charging port Doorbell Size: Approx. 85 x 53 x 24mm / 3.35 x 2.09 x 0.94in Ding Dong Size: Approx. 55 x 42 x 13mm / 2.17 x 1.65 x 0.51in Package List:1 x Doorbell1 x Ding Dong Machine1 x USB Cable1 x User Manual2 x Wall Plug2 x Long Screw1 x Short Screw1 x Adhesive Paste Package List 1 x Doorbell 1 x Ding Dong Machine 1 x USB Cable 1 x User Manual 2 x Wall Plug 2 x Long Screw 1 x Short Screw 1 x Adhesive Paste