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 ST2420L, 24", 1920 x 1080 pixels, Full HD, 5 ms, Black DELL ST2420L. Display diagonal: 24", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 160°, Viewing angle, vertical: 170°. Product color: Black https://www.laptopmag.com/reviews/accessories/dell-st2420l In the realm of monitors, consumers often find themselves having to give up something on their wishlist in order to get the price they want. The Dell ST2420L offers a big and bright 24-inch picture, a full range of inputs, and a slim profile. Even bett... Good color depth, Wide viewing angles with antiglare coating, Robust adjustment and optimization options Connectors difficult to access, Small fonts aren't very crisp, Sound bar costs extra This 24-inch HD monitor offers fairly good performance for a reasonable price.