The R4K (FHD) Series 49" LCD Video Wall Surveillance Monitor from Orion Images supports a maximum resolution of 1920 x 1080 at 60 Hz. With narrow 1mm left and top bezels, and 0.8mm right and bottom bezels, it's designed to be combined with additional monitors to make a single large video display. It has a 178° horizontal and vertical viewing angles, a 16:9 aspect ratio, and a 1300:1 contrast ratio. This 49" video wall is equipped with an HDMI input and output, a DVI-D input and output, a DisplayPort input and output, an RS-232 input and output, a VGA input, and an RCA audio output. It is NTSC and PAL compatible. VESA mount compliance offers flexible installation options.