The Arm Electronics C520PIR consists of a color camera concealed in a PIR motion detector. The built-in camera is of a high quality, with a 1/3" CCD, 520 TVL of resolution and a good low light rating of 0.6 lux. The camera is equipped with a 3.7mm pinhole lens, a focal length common for security cameras. The video output is via a BNC connector, and a bracket is supplied for installation on a wall.