20.1" HP L2045w DVI Blu-ray 720p Rotating Widescreen LCD Monitor w/USB Hub & HDCP Support (Black/Silver) 20.1-inch HP L2045w DVI Rotating LCD Monitor General Features: Color: Black and silver Screen Size: 20.1-inch 1680 x 1050 @ 60 Hz native resolution 0.258 mm pixel pitch Viewing Angles: 160 degrees (H/V) Brightness: up to 300 nits (cd/m2) Contrast Ratio: up to 1000:1 Aspect Ratio: 16:10 5 ms response time Horizontal Frequency Range: 24 - 93 kHz Vertical Frequency Range: 50 - 76 Hz