24/7 Full HD Recording - F/2.0 aperture, 112 wide-angle lens, 1080p/15fps to capture moments with clear picture. Features two-way audio to allow you to receive and transmit audio from any location with a WiFi connection. Enhanced Night Vision - 8 individual 940nm infrared LED's, which automatically turns on infrared (IR) in low light conditions, allowing you to see clearly in the dark. (power source required) Optional 24/7 Emergency Response Service - YI’s motion alerts and live video feeds are now equipped with the option to instantly involve Noonlight’s Certified Emergency Dispatchers, who coordinate with police, fire, and EMS agencies on customers’ behalf to ensure the situation is promptly handled Upgraded Smart AI Detections- YI cloud storage comes with the latest in Smart AI capabilities which are able to distinguish Person, Vehicle, or Animal accurately and reduce false alarms significantly. (Subscription Needed) YI Home App - Acess your camera with our mobile APP anytime and anywhere, more flexible with Home/Away mode. Allows sharing your camera with up to 5 family members or friends, and view multiple cameras on a single account. 9 live feeds on pc app are available now Cloud Storage - Supports YI Cloud to avoid the risk of losing footage from a microSD memory card, and ensures all recorded video is safe, secure, and protected with the most efficient compression and highest protection of data