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 ASUS ML228H, 21.5", 1920 x 1080 pixels, Full HD, 2 ms ASUS ML228H. Display diagonal: 21.5", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 2 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 170°, Viewing angle, vertical: 160° https://www.laptopmag.com/reviews/accessories/asus-ml228h-22-inch-monitor Lately, ASUS has produced several lines of budget monitors that definitely don't look like they belong in the bargain bin. The ML Series continues this trend, but it's not just a pretty face. ASUS packed a high-quality display technology and a versatil... Excellent picture quality and color depth, Wide viewing angles, Crisp fonts and images, Comes with DVI-to-HDMI cable No built-in speaker, Lacks DVI port This stylish 22-inch monitor delivers a fantastic picture and wide viewing angles for less than $200.