1/3" SONY CCD, 520 TV lines, 23 IR LEDs.  3.6mm Len for Wide Angle View. Good for Indoor Usage. Super Low 0 Lux Minimum Illumination. Perfect For Your Business or Restaurant. 1/3" SONY CCD camera 520 TV lines Super low lux 0 Lux minimum illumination Wide angle lens DOWNLOAD FAQ Camera Specifications Model GW728HB Image Sensor 1/3" SONY CCD Effective Picture Elements (H*V) NTSC: 811 x 508 Horizontal Resolution 520TV Lines S/N Ratio More than 48dB Clock Frequency (MHZ) NTSC: 28.636 Scanning System 2:1 interlace Minimum Illumination 0 Lux (with IR LED ON) Synchronous System Internal, Negative Sync. Auto Electronic Shutter NTSC: 1/60s~1/100,000s Gamma Characteristic 0.45 IR Project Distance 65.6 feet (with 23 unit infrared LED) IR Status Under 10 Lux by CDS IR Power On CDS Auto Control Video Output 1Vpp Auto Gain Control Auto Power/Current 12VDC(+/-10%)/300mA Lens 3.6mm Storage Temperature -30˚C ~ +60˚C Operating Temperature -10˚C ~ +45˚C