Model Number GS50-SH35 Image Sensor 1/ 3â Sharp High Res. Color CCD Signal system PAL / NTSC Effective Pixels PAL: 811 ( H) x508( V) NTSC: 795( H) x596( V) Horizontal Resolution 500 TVLines Lens 3.6mm Fixed Lens Built-in. 6mm Optional Viewing Range 25~ 30Meters Video Output Composite 1.0Vp-p at 75ohm S/ N Ratio e 48dB( AGC OFF) Minimum illumination 0.5LUX/ F1.2 ( 0LUX When IR On) Sync. System Internal Electronic Shutter 1/ 50( 60) ~ 1/ 100, 000 sec ( NTSC/ PAL) White Balance Auto IR LED 35 IR ¦ 5mm Power Supply DC12V