Sensor: 1/4" SONY Exview CCD Effective Pixels Approx: 0.44 mega pixels Lens：18 x optical zoom,12 x digital zoom Signal System: PAL/NTSC Built-In Video Output: VBS(BNC),Y/C Camera Control Interface: RS-232C/RS-422 Preset Positions: 255 Tilt Angle: -30 to +90 degrees Pan Angle: -170 to + 170 degrees Tilt Speed: 0.1 to 120 degrees/sec Focal Length: f=4.3 to 129 mm (F1.6 to F4.7) Shutter Speed: 1/1 to 1/10000 Sec Minimum Illumination： 1ux at F1.4 Minimum Object Distance: 10mm S/N Ratio: 50 dB Focus System: Auto/Manual Image Flip： On/Off Backlight Compensation: On/Off Gain: Auto/Manual Synchronization: Internal/External Power Consumption Max: 12W Power Requirements: DC 12 V Operating Temperature: -10 degrees to 50°C Storage Temperature: -20 degrees to 60°C Dimensions: (W x H x L) 131.5 x 154 x 143mm Weight 2.3 kg