Riin UFO Wifi Smoke Detector Camera with P2p Function Support for Android Phone, Iphone Model: STK3350 wifi ip hidden camera Image Sensor: 1/3 Sony Super HAD CCD	1/4 SHARP CCD Effective pixels	PAL:512(H)x582(v) NTSC: 512(H)x492(v) Signal System: PAL/NTSC Horizontal Resolution: 420 TV Lines