【HD Video & Sensor Performance】High definition clear video with 100° viewing angle, display the details in front of your door,reliable and practical.Support automatic white balance, automatic gain control, automatic backlight compensation.【Two-way Audio 】The doorbell camera provides you real-time clear two-way audio, you can see, hear and talk with the visitors immediately through phone APP. When visitor press doorbell,notification will sent to your cellphone, .The wireless doorbell camera also has a free chime to be set in any room in your house, in case that the phone is not by your side.【Remote Control on App & Easy to Connect】The smart doorbell is easy to connect to the app, allowing you to place outdoors without installing wires. The smart video doorbell compatible with both iOS and Android.【Disassembly Free Cycle Charging】Smart doorbell built-in 800MAH lithium ion high-capacity battery,Charging time 1.5 hoursEquipped infrared night vision, automatically open at night.【Intelligent & Portable】The doorbell can be controlled by APP, automatical work model, intelligent and portable.Portable in size and weight, convenient to install and remove (Support 2.4G WIFI,NOT support 5G WIFI).