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 Lenovo Flat Panel Performance ThinkVision L197, 48.3 cm (19"), 1440 x 900 pixels, 5 ms, Black Lenovo Flat Panel Performance ThinkVision L197. Display diagonal: 48.3 cm (19"), Display resolution: 1440 x 900 pixels, Response time: 5 ms, Native aspect ratio: 16:10, Viewing angle, horizontal: 176°, Viewing angle, vertical: 176°. Product colour: Black