NON TOUCH 21.5" TFT LCD W-LED backlight system - Black. Optimum resolution: 1920 x 1080 @ 60 Hz, Aspect ratio: 16:9, Response time (typical): 5 ms, Brightness: 250 cd/m, Contrast ratio (typical): 1000:1, Pixel pitch: 0.248x 0.248 mm, Display colors: 16.7 M, Signal Input: VGA (Analog ), DVI-D (digital, HDCP), Finish: Hairline (front bezel) / Texture (rear cover), Energy Star Qualified.