Display: 21.5-inch FHD | IPS Panel | 75Hz Refresh Rate | WLED Backlit | Natural Low Blue Light Visual Experience: 16.7 Million Colours | 99% sRGB | Brightness: 250 nits | Anti-Glare Aspect Ratio: 16:9 | Viewing Angle: 178°/178° (Horizontal/Vertical) Lenovo Smart Artery Software: Self-learning software adjusts display as per your usage patterns | Customized experiences with Scenario Modes | Split Screen multi-tasking Response Time: 4ms | AMD Freesync || Voltage: 15 Volts Audio: In-Bulit 3Wx2 Speakers || Connectivity: 1x HDMI 1.4, 1x VGA Warranty: This Monitor comes with Lenovo Authorised 3 Years Onsite Warranty Special features: Tilt Stand, Built in Speakers, Anti-Glare, Wall mountable, AMD Free Sync Technology