Display: WLED backlighting, natural low blue light, 21.5-inch FHD, IPS panel, and 75Hz refresh rate 16.7 million colors, 99% sRGB, 250 nits of brightness, 16:9 anti-glare aspect ratio, and 178°/178° (horizontal/vertical) viewing angle are all features of the visual experience. Software for Lenovo Smart Arteries: Self-learning software adapts the display to your usage habits | Scenario Modes for personalized experiences | Split Screen Multitasking Voltage: 15 volts | AMD Freesync | Response Time: 4 ms Audio: 3Wx2 in-built speakers || Connectivity: 1x VGA, 1x HDMI 1.4 Warranty: Lenovo's authorized three-year onsite warranty is included with this monitor. Tilt stand, integrated speakers, anti-glare, wall-mountable, and AMD Free Sync technology are some of its unique features.