The VZ-215LED-L1 21.5" Rack-Mountable LED-Backlit Surveillance Monitor from ViewZ supports a maximum resolution of 1920 x 1080 at 60 Hz. It has 170/160° H/V viewing angles, a 16:9 aspect ratio, and a 1000:1 contrast ratio. This monitor is equipped with built-in speakers, a PC stereo input, and a speaker output. It also has an HDMI, a VGA, a 3G-SDI, a USB, and three composite inputs, as well as a 3G-SDI output. It is NTSC and PAL compatible. VESA mount compliance offers flexible installation options.