Image sensor: 1/3-inch Sony CCD Horizontal resolution: 540TVL Pixels: PAL: 752 x 582 pixels NTSC: 768 x 494 pixels TV system: PAL/NTSC Sensing area: 4.9 x 3.7mm Lens: 4, 9/2.8 to 11mm manual or DC M12 lens (optional) Auto iris lens: DC driver Synchronization system: internal Minimum illumination: Color: 0.5 lux/F1.2 B/W: 0.05 lux/F1.2 0 lux (IR on) S/N ratio: 48dB Gamma modification: 0.45 Gain control: automatic B/L compensation: on/off Electronic shutter: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds Video output: 1Vp-p/75Ω White balance: automatic IR distance: 15 to 20m Power consumption: 12V DC: 100mA IR on: 400mA (without infrared LED, 12V DC/24V AC for optional) Operating temperature: -20 to +50°C Dimension: ?140.97 x 106.73mm