ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR DELL E2011H, 50.8 cm (20"), 1600 x 900 pixels, 5 ms, Black DELL E2011H. Display diagonal: 50.8 cm (20"), Display resolution: 1600 x 900 pixels, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 170°, Viewing angle, vertical: 160°. Product colour: Black Dell products have received mixed reviews along the years from those who buy them. Some say they offer superb performance for the money, while others prefer to buy laptops, monitors and the like from other brands that they consider far better than Dell. W... The conclusion is very simple. Dell's latest E2011H monitor is a good buy; users will be able to read e-mails, use the Internet, watch videos and much more with a single click....