The DM-TP 584 camera gives you 580 razor sharp lines of color resolution for a crisp and clear picture. The SENS-UP feature of the DM-TP 554N allows for its impressive 0.002 low light lux rating which leads to its superb night time performance ability. Also,the noise reduction function helps to improve the total DVR recording time by up to 30%. The 1/3 inch density CCD and digital processor permits high quality pictures to be captured in very low light conditions. It detects the motion of objects without the use of a sensor. Another feature of the DM-TP 554N is its one power connection ability which allows it to configure itself automatically to a power source of either 12VDC or 24VAC. The AC line lock is standard with all cameras in 24VAC operations. It has an assistant DSP chip that can remove image noise efficiently to show clear and pristine images, even in areas of low luminance. In normal or high luminance, this camera remains in color mode. In areas of low luminance this camera automatically adjusts and converts itself into B/W mode.