HDMI 1 HP 2509m 25 inch Diagonal Full HD LCD Monitor, 63.5 cm (25"), 1920 x 1080 pixels, 3 ms, Black HP 2509m 25 inch Diagonal Full HD LCD Monitor. Display diagonal: 63.5 cm (25"), Display resolution: 1920 x 1080 pixels, Response time: 3 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 160°, Viewing angle, vertical: 160°. Product colour: Black There are a lot of specifications that can be quoted with regard to electronics products and some of them can be confusing or intimidating. For most consumers, however, the most significant spec for a monitor is simply size. At 25 inches, measured diag... A 25inch widescreen display with full HD 1920 x 1080 resolution makes the images on this monitor standout, Weighing 15.5 lbs, the HP 2509m is a heavy monitor. The HP 2509m is a great monitor if multitasking will be a regular task....