1/3 Sony Super HAD CCD - Day & Night (Automatic conversion from Color to B/W at 5 Lux) - Extremely accurate color reproduction with 16 bit data process - Higher resolution of 530TVL(Day) / 570TVL(Night) - DNR(Dynamic Noise Reduction) Technology built-in - Sens-up up to 0.0002Lux at 128x Fields - Built-in OSD Function - Surge voltage input protection built-in - Reverse polarity power input protection built-in