The Watec WAT-902B is a small and light CCTV box camera that features a 0.5" CCD sensor, auto iris function, and a full complement of electronic controls. Working in concert, these allow the camera to produce visible images in light levels down to 0.003 lux. This level of low light sensitivity coupled with its compact form factor makes it suitable for commercial applications looking for dependable yet minimally intrusive round-the-clock security monitoring.