Image Sensor:1/2.8″ Progressive Scan CMOS Effective Pixels:2048(H)x1536(V) Signal System:PAL/NTSC Minimum Illumination:F1.6, AGC On: Color: 0.05 lux, B/W : 0.01lux, 0 lux with IR White Balance:Auto/Manual/ATW/Indoor/Outdoor/Daylight lamp/Sodium lamp Pan Range:360°endless Pan Speed:Pan Manual Speed: 0.1°-160°/s, Pan Preset Speed: 240°/s Tilt Range:-15°-90° (Auto Flip ) IR irradiation distance:150m IR irradiation angle:Adjustable by zoom No. of Simultaneous Users:Up to 20 users