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 Be prepared for brilliant visuals and crisp images with the unforgettable quality of this stunning FHD display. 1920 x 1080 Full HD Easily connect with the convenient DVI port for stunning HD visuals through a high quality and reliable digital connection.* *High definition (HD) content is required to view high-definition images. Y 1 The display is equipped with standard VESA mounting for showcasing on a wall or swivel arm. Y Adjust the screen to your personal preference with a 5° forward or 23° backward tilt. Y Videos and games come to life with less stutter or blur for more realistic play with smooth 5 milisecond gray-to-gray response time. 5 HP ProDisplay P221, 54.6 cm (21.5"), 1920 x 1080 pixels, Full HD, 5 ms, Black HP ProDisplay P221. Display diagonal: 54.6 cm (21.5"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 170°, Viewing angle, vertical: 160°. VESA mounting. Product colour: Black