View Sonic's VA1948a-LED features an LED backlight 19" thin bezel widescreen monitor. Environmentally friendly & mercury-free, the VA1948a-LED offers Full HD 1440 x 900 resolution, 10, 000, 000:1 mega dynamic contrast ratio, 5 ms response time & a VESA mountable glossy finish design. The aspect ratio adjustment feature automatically senses the input single & will not stretch a 4:3 signal but will instead position the image in the middle of the screen with side bars. ENERGY STAR 5.0 & TCO 5.1 certification, the industry's excellent pixel performance policy & energy saving eco-mode make VA1948a-LED a great long-term investment.