Commax CDV72UM 7 inch LED TFT Display Colour Video Monitor. Store video & still image through real-time monitoring & motion detection, Long range communication with CCTV (optional support MEGA-Q), Memory storing in Micro SD card (Micro SD not included),Expandable up to 2 monitors with 2 CCTV cameras and 2 door cameras, Full touch screen, Video talk and door lock release enable. DRC-40KA connectable. 7 inch TFT LED display of Surface mounted type, Wiring : Door camera(4wire) /interphone(4wire) CCTV camera(2wire).Distance : Door camera(50m) / Interphone(20m), Consumption : Max 16W / standby 3.9W, Dimension(mm) : 276x185x33.