Features ●[IR NIGHT VISION] The smart video doorbell with 85° viewing angle captures more content and transmits everything to your smart device in 480P HD. The built-in infrared light automatically switches to night vision mode when it detects the surrounding light, so you can see clearly even in the dark. ●[Smart App Control] Wireless smart WiFi doorbell supports APP remote monitoring, wireless visual doorbell uses intelligent AI recognition technology to distinguish faces. Detection sensitivity setting, safe zone setting, capturing every anomaly, it will send alerts to your phone in real time, you can use the app to check it at any time. ●[Multifunctional] Wireless smart WiFi doorbell supports two-way audio, variable voice intercom, video calls, APP photo and video recording. Two-way audio lets you see and talk to visitors without opening the door, and you can also pre-record messages for quick responses to visitors when you're busy. Thanks to the voice change function, the doorbell can hide your gender and age to protect your ●[Easy Installation] The smart visual doorbell supports multi-device connection, no wiring required, stick it directly on the wall with the corresponding double-sided tape. Use the corresponding screws to drill holes for mounting; Matching batteries to power it directly. ●[Rich Music] 19 standard Dingtone musical doorbell, can be selected at will, the sound volume can be adjusted. Specification: Item Type: Viewable Smart Doorbell Model number: M8. Power supply: Built-in lithium battery capacity: 1000mAh Loading: Type-C charging port Bell size: approx. 85 x 53 x 24 mm/3.35 x 2.09 x 0.94 inches. Ding Dong Size: Approx. 55 x 42 x 13 mm/2.17 x 1.65 x 0.51 inches. 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 screws 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