Module Image Sensor: 1/3″progressive scan CMOS, 4.0 Megapixels. Effective Pixels: 2592(H)x1520(V) Zoom: 18x OpticalZoom Noise Reduction: 3D Gain Control: Auto/Manual Backlight Compensation: Support Day/Night: Auto(ICR)/Color/B/W S/N Ratio: Morethan 50dB