Viewing Angle112° wide-angle/Total 360° full panoramic viewing angle
Image/ Audio Enhancing3D Noise Reduction, 4X digital zoom, LDC
Image Sensor1/2.7" 2MP CMOS sensor
Video Streams1080p/15 fps
Infrared Night Vision8*940nm IR LEDs (Non-invasive, perfect for baby monitor)
Alert InformationMotion Detection/Motion Tracking, 7-days activity alert video storage in YI cloud free of charge
Smart FeaturesAuto-Cruise/Cruise Bookmarks/Panorama Capture/Baby Crying/Real-time Activity Alerts
Microphone/ SpeakerTwo-Way Audio, Dual Modes: Intercom/Hands-free
Local StorageClass 4 and above, 8-32G Micro SD Card
Supported AppAndroid/iOS, PC (to be available), support all generations in 1 integrated app, up to 12 devices

This is Yi Home China Version. Please download apps from Yi Home China 

Please do not use the google play version. 

(i) correct apps - http://app.mi.com/details?id=com.ants360.yicamera&ref=search                        
(ii) You need a VPN service to setup it for the first time - one example is earthvpn.com that offer freetrial                        
(iii) You don't need to keep VPN after that                        
(iv) You need to setup the VPN Client on your router                        
or (v) Using your PC and a inexpensive USB MIFI device but you have to keep the device on