ViewSonic"s VX2253mh-LED features an LED backlight 22" (21.5" viewable) ultra-thin widescreen monitor with up to 40% energy savings compared to a regular 22" monitor. Environmentally friendly mercury free VX2253mh-LED offers Full HD 1920x1080 resolution, two HDMI inputs, external power supply, 2ms response time, 30,000,000: 1 MEGA dynamic contrast ratio, book stand option and SRS Premium Sound. Ideal for both home and office with a glossy black finish. The aspect ratio adjustment feature automatically senses the input single and will not stretch a 4: 3 signal but instead will position the image in the middle of the screen with side bars. A 3 year warranty, the industry"s best pixel performance policy, energy saving Eco-mode and Windows 7 certification, make VX2253mh-LED a great long term investment.