Productivity in focus Essential Series monitors feature Acer e Color technology for striking visuals, & Acer Comfy View innovations that reduce glare for comfortable viewing. These sturdy monitors also have a wide array of ports, so you can connect many types of devices & do more at once. In addition, they utilise eco-friendly features to save power & money. Technical Specification Display 21.5” Screen Panel: TN Resolution: 1920 x 1080 @ 60 Hz Aspect ratio: 16:9 Response Time: 5ms Brightness: 200 cd/m 2 Contrast ratio: 100 million:1 Viewing angle: 90°/ 65° Display Colours: 16.7M Connectivity VGA DVI Features Tilt: -5°/25° VESA 100 x 100 Power Power Supply (Internal): 100V – 240V Power consumption on: 19.5W