NEC Display Solutions AS221WM-BK 22-Inch 5ms 250 cd/m2 1000:1 Widescreen LCD Monitor (Black) Viewable Image Size 22" widescreen Pixel Pitch .282mm Pixels Per Inch 90 Brightness 250 cd/m2 Contrast Ratio 1000:1 Viewing Angle 88/88/88/88(CR&gt;5) Response Time 5ms Synchronization Range Horizontal 31.5 - 82.3 kHz Vertical 56 - 75 Hz Input Signal Video Analog RGB 0.7 Vp-p/75 Ohms Sync Separate sync: TTL Level (Positive/Negative) Input Connectors DVI-D and VGA 15-pin D-Sub Native Resolution 1680 x 1050 Warranty 3 years parts and labor, including backlight