Features ●[IR NIGHT VISION] Smart video doorbell with 85° viewing angle captures more content and transmits it all to your smart device in 480P HD. Built-in infrared light automatically switches to night vision mode when it senses the surrounding light, so you can see clearly even in the dark. ●[Smart APP Control] Smart wireless WiFi doorbell supports app remote monitoring, wireless visual doorbell uses smart AI recognition technology to distinguish faces. Detection sensitivity setting, safe area setting, capturing every abnormality, it will send alerts to your phone in real time, you can use APP to check it at any time. ●[Multi-function] Smart wireless WiFi doorbell supports two-way audio , variable voice intercom, video call, APP photo and video recording. Two-way audio allows you to see and talk to visitors without opening the door, and you can also pre-record messages for quick replies to visitors when you are busy. With the voice change function, the doorbell can disguise your gender and age to protect your privacy. ●[Easy Installation] Smart visual doorbell supports multi-device connection, no wiring required, stick it directly on the wall with the matching double-sided tape. Use matching screws to punch holes for mounting; matching batteries to power it directly. ●[Rich Music] 19 music standard Dingtone music doorbell, can be selected at will, sound volume can be adjusted. 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