In addition, an HDMI or DVI interface on the Acer Refurbished 24" LED Widescreen Monitor connects you to the latest high-definition devices, while an astounding contrast ratio delivers fantastic clarity. Acer Refurbished 24" LED Widescreen Monitor (S242HL Black): * 24" diagonal LED screen This anti-glare (S242HL Black) Refurbished Monitor can be placed anywhere in the room * 16:9 aspect ratio Widescreen is perfect for viewing 2 documents side by side or for watching movies * 1920 x 1080 Full HD resolution Enjoy excellent image quality * 16.7 million colors For realistic photo and video reproduction * 1,000:1 contrast ratio Slim Monitor offers great color resolution * 5 ms response time Delivers exceptional performance that is especially noticeable when playing games and watching videos ENERGY STAR® Products that are ENERGY STAR-qualified prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy. The ENERGY STAR name and marks are registered marks owned by the U.S. government, as part of their energy efficiency and environmental activities.