Smart Wireless Remote Video Doorbell Intelligent Visual Doorbell Home Intercom HD Night Vision Wifi Security Door Doorbell Features: Intelligent night vision: the light sensor on the doorbell will provide a clear vision in the dark of the night 80 degree wide angle lens: Use the app to get the full 80 degree view of your front balcony. See your visitors clearly and effortlessly Wifi compatible: the wifi range of the video doorbell is up to 10m (33 feet), it easily connects to your home wifi network by sending live video to your phone. You can see and talk to the visitor from the comfort of your bed, at work or on vacation Real bidirectional audio: When someone presses the doorbell, a notification will appear on your mobile phone or tablet. You can the port remotely using the app. Communicate directly through your device WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real- mobile phone, support two way calls, photos, recording, caring for your family makes you more secure Product Description: Sensor: 30W gc0328cmos sensor Color:White Lens: 80°wide angle lens Signal to noise : ≥ 41db Video format: jpg Recording mode: press key to recording Battery not include Ding Dong: support rf433mhz Ding Dong Power input: 5V/2A Recording range: 5m Wireless connection: support 2.4G WiFi，not support 5G WIFI System support: Android 4.3 or IOS 9.0 or above Package size:11x10x5cm/ 4.33x3.94x1.97 inch Gross weight:138g/ 0.3 lb Package included: 1 x Door 1 x Ding dong machine 1 x User manual 1 x Installation tools kit