Lenovo ThinkVision LT2252p Black 22-inch 5ms Widescreen LED Backlight LCD Monitor (2572MB6) br br br Native resolution of 1680x1050 white LED backlight aspect ratio 1610 br Brightness 250 cdm2typicalContrast ratio 10001 typical View angles HorizontalVertical CR101 170 degrees 160 degrees br Respond time 5ms onoff typical lift Tilt swivel and pivot stand VGA DVI-D DisplayPort connections br Compliance with ENERGY STAR 51 requirements TCO certified Edge 11 Mercury Arsenic free Glass br Kensington Lock slot support for security meets 100mm VESA standard for mounting cable management for better user experience