AOC I2757FH - 27" Widescreen Flat-Panel IPS LED HD Monitor - Black & Silver (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Ultrafast 5 ms response time 50,000,000:1 dynamic contrast ratio 170 horizontal and 160 vertical viewing angles VGA and HDMI inputs