Product Model LT-PU540 sensor 1/3 Sony Super HAD CCD Resolution pixels 811 (H) x 508 (V) Signal System PAL (default) of 540 TVLine PAL pixels 795 (H) x 596 (V) NTSC / NTSC Minimum illumination 0.001 Lux Lens Specifications Optional 6mm, 8mm, 12mm, 16mm special lens fill light Built-in 30 high-definition performance white light fill light 15 meters away housing material aluminum alloy waterproof rating IP66 + electronic shutter 1/50 (1/60) ~ 1/10, 000 Sec. signal-to-noise ratio> 48dB (automatic gain off) Gamma correction 0.45 Backlight Compensation Automatic Gain Compensation (Auto) Auto (Auto) White Balance Auto (Auto) Video Output 1.0 Vp-p (75 Ohms, composite) are need power DC12V-1000mA Operating Temperature -20 ℃ ~ 50 ℃ Dimensions 290mm (L) × 125mm (W) × 100mm (H) Weight 1550 g