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 Vibrant detail from practically any position with consistent color and image clarity maintained across an ultra-wide 178° horizontal and vertical viewing angles. 178 178 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 Gas piston design allows 130mm of smooth, precise height adjustment so your display is always in the most comfortable position, no matter who is viewing it. Y DisplayPort/VGA (D-Sub)/HDMI 1 1 1 7ms response time 7 No matter where you stand, this screen delivers clear, vivid images with 178º wide-viewing angles, so everyone can get a great view. ips HP Z23n, 23", 1920 x 1080 pixels, LED, 7 ms, Black HP Z23n. Display diagonal: 23", Display resolution: 1920 x 1080 pixels, Display technology: LED, Response time: 7 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. USB hub version: 2.0. VESA mounting, Height adjustment. Product color: Black