US Patent 7486271 Security system user interface with video display

A security system user interface comprising a graphical display, a communication link, a memory, a camera and a display controller. The camera image is converted for display on the graphical display, the latter being used for security system control and viewing the camera image. The interface is best located near an entrance inside a secured premises, while the camera is arranged to monitor visitors outside the secured premises at the entrance. The camera can be connected directly to the user interface or indirectly using a data communications link of the security system interconnecting security detectors to a control panel.