Features APPTECHNICAL 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 USE: Visual doorbell support infrared night viewing, one way wake up, support to ring the doorbell, support real time view on mobile RICH SOUND: Standard Ding dong music doorbell, 19 pieces of music, the volume of the sound can be adjusted EASY INSTALLATION: 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 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 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