3-12 way 4000 Series video kits basd on the VX2200 non-coax 6 wire video system. Door panels have 3 call progress LEDS; "Call in progress", "Speak" and "Door open". The day/night color CCD camera is wide angle and illuminated using infra-red LED's.Included in the kit is a 6000 Series videophone with a 3.5″ high definition LCD TFT color display, camera recall facility, door open button, 2 spare service buttons with LED indication, Privacy, 2 level call tone adjustment and contrast / brightness controls.A maximum 3 videophones may be called from a single button.The codelock has 3 codes, 3 changeover relay outputs and an override input. It can be programmed from 1-99 seconds or latching output.