HP 17-inch LCD Monitor LA1751G Horizontal Frequency Range: 24 to 83 kHz. Vertical Frequency: 	 50 to 77 Hz. Signal Input: Two connectors: one 15-pin mini D-sub analog VGA and one DVI-D Viewing Angle: Up to 160 horizontal/160 vertical (10:1 contrast ratio) Integrated 2-port USB hub 1280 x 1024 max resolution