The JP-4MED is a video master station with a 7" color touchscreen LCD. The JP-4MED offers handset (duplex) and hands-free (VOX) communication. This unit will support up to 4-door stations and 7 sub masters. All inside stations are equipped with a door release button for the user to allow visitor entry. The JP-4MED is also equipped with PTZ and brightness controls, giving the user control of the door station camera angle and camera lighting for better visibility. Picture memory records up to 2 calls to internal memory and 1, call to a removable SD / SDHC card (not included). The JP-4MED connects to door stations using 18AWG, 2-conductor cable and connects to sub master stations using CAT5e or CAT6 cable.