This IR day night dome security camera is constructed of die-cast aluminum. 1/3" Sony Effio sensor, and 700 lines of resolution. In low light or night situations the IR Dome has a photo sensor that switches the camera to B/W. This is further enhanced by the built-in 28-LED IR illuminator, which provides illumination up to 50ft in little or no light. Other features include automatic white balance, automatic backlight compensation. This vandal resistant color dome camera with IR LEDs, easy mounts securely to a wall or ceiling. Notice: This camera updated to 1/3" SONY Effio CCD 700TVL on Jun 27, 2012.