The Pro Lite E2773HS LED-backlit 27" monitor features a stunning 1 ms response time & a FHD (1920x 1080) resolution. The high brightness & contrast offer the user clear & vivid images, & the HDMI, DVI & VGA connections ensure compatibility across a range of devices including games consoles & workstations. The X-Res Technology feature helps to deliver best quality pictures even if the source is not perfect, like movies made with mobile device. LED-Backlit A typical CCFL LCD uses four backlight lamps. Using LED diodes considerably lowers the power consumption & reduces the CO2 emission into the environment making this LCD a true ECO-Friendly product. ACR Contrast Ratio is a measurement of the difference between the darkest black & the brightest white your monitor can display. Advanced Contrast Ratio is a feature that automatically adjusts contrast & brightness of the screen to assure perfect picture quality while watching films & playing games. HDMI HDMI stands for High-Definition Multimedia Interface. Much smaller & more convenient than DVI, HDMI also has the significant advantage over DVI that it supports audio as well as video signals. VESA VESA mount compliance means you can easily mount your monitor to a wall. X-Res TEchnology The X-Res Technology feature enhances pictures quality making sure they always look vivid & natural. Especially handy when enlarging lower definition pictures with rough edges, the feature helps to deliver better quality pictures giving the viewer a sense of higher resolution. Full HD With true 1920 x 1080p resolution your monitor is ready to display high definition images. This means you can accommodate more information on your screen; e.g. 60% more in comparison to a 1280 x 1024 monitor. Speakers This LED monitor is equipped with two high quality stereo speakers. Over Drive ON / OFF When very fast graphics are displayed your monitor can sometimes get blurry. Turning on the Over Drive feature will eliminate that.