Dell E2225HM 21.5"/54.61 cm FHD Monitor | VA Panel | 5ms Response| Tilt Adjustment | 100Hz Refresh Rate | 3000:1 Contrast | 250 cd/m2 |Ports: 1 HDMI, 1 DP 1.2, 1 VGA|TÜV Rheinland 3-Star Eye Comfort Specification High Refresh Rate: A high 100Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion. ComfortView Plus: Minimise harmful blue light exposure without sacrificing colour accuracy with Dell’s always-on, built-in ComfortView Plus. See the difference when ComfortView Plus helps dial back the yellow hues to ensure better colour fidelity, compared to the results of software-enabled low blue light technology Ultra-Thin Bezel Design: See more with less distractions. 3000:1 Contrast Ratio: Experience deeper blacks, brighter whites and vivid colour. Wide Viewing Angle: With In-Plane Switching (IPS) technology, you get consistent views across a wide 178°/178° viewing angle.