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 S2240T, 54,6 cm (21.5"), 1920 x 1080 pixels, Full HD, 12 ms, Black, Silver DELL S2240T. Display diagonal: 54,6 cm (21.5"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 12 ms, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product colour: Black, Silver https://www.techpatrl.com/dell-21-5-touch-screen-monitor-review/ Dell has made a touch screen monitor for collaboration purposes — this can be installed in an office, or used by students, or perhaps used for special purpose applications like corporate presentations, but it would be the most expensive monitor for viewin... Before you get excited and turn your old PC's or laptop into a touch screen by getting a Dell S2240T 21 inch multi-touch monitor, I encourage you to request a test unit and try it if it will work on the application you want to use. If you are out for an e...