The day/night feature makes the camera color in the day light and then automatically switch to black and white in low light conditions. The LEDs in the cameras allow the cameras to see in complete darkness. This unique day/night dome incorporates a 1/3" Sony CCD chip, which automatically switches from color to black & white in low-light conditions. It comes with high-power LEDs to enhance low light viewing and allows you to see up to 20 feet in total darkness. Dome is 4" in diameter. Includes: 12 Volt DC Power Adapter Specifications: • Image Sensor: 1/3' CCD • Resolution: 400 TV Lines • Min. Illumination: 0.4 Lux • Lens: Pin Hole Lens f3.7/F2.0 • Power Required: 12V DC plus-minus 10% • Current Consumption: 110mA Max.