AOC e2050Swd 20-Inch Class Screen LED-Lit Computer Monitor, 1600 x 900 Resolution, 5ms, 20M:1DCR, VGA/DVI, VESA 20" (19.5" viewable) display, 200 cd/m2 Brightness 1600 x 900 crisp and clear high definition resolution, 20M:1 Dynamic Contrast Ratio VGA, DVI-D with HDCP ports Direct-Insert Horizontal Connectors, VESA wall-mount compliant, Kensington Security Slot Slim design with LED backlit, 16:9 Aspect Ratio,.External speaker required for sound(Sold Seperately)