LG Electronics 22MB35PY-I IPS Professional 21.5" Screen LED-Lit Monitor 22" Class (21.5" measured diagonally) Aspect Ratio: 16:9 Native Display Resolution: 1920 x 1080 Surface Treatment: Anti-glare, 3H Pixel Pitch (mm): 0.248 x 0.248 Refresh Rate: 50 - 76 Hz