The E20T-6 LED combines comfortable ergonomics with best-in-class energy saving technology like ECO operation mode. Ease of use This display is easily set up & once it is installed you have never to adjust it again. A very good choice to manage your every-day office applications. Eco system Eco mode is a preset brightness adjust that fits for typical office environment delivering optimum brightness for most office applications. Eco button comfortably switches between Eco mode & best picture performance. Eco LED indicator makes energy saving visible. LED backlight technology Benefit from ultra-high contrast & allover illumination for less eye strain, economical power consumption & environment-conscious, mercury-free panels.