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 NEC EX231WP, 23", 1920 x 1080 pixels, Full HD, 25 ms, Black NEC EX231WP. Display diagonal: 23", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 25 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product color: Black https://www.pcmag.com/article2/0,2817,2411477,00.asp Nearly all of today's monitors, HDTVs, smartphones, and other devices with screens use a type of TFT (thin film transistor) LCD panel. For desktop monitors, the three most widely used TFT panel technologies are TN (twisted nematic), PVA (patterned vertica... Great color quality. Deep blacks. Ergonomic stand. Energy efficient. Only one USB port. So-so grayscale performance. Viewing angles could be better. No auto-rotate feature The NEC MultiSync EX231Wp is a svelte 23-inch business display offering outstanding color quality and inky blacks. However, it has trouble with the lightest shades of gray and it loses color fidelity when viewed from the side....