The main characteristics of the Philips computer monitor 21.5 Model number: PHILIPS 221V8L; brand name: Philips; display size: 21.5 inches The display Pixel resolution: 1920 x 1080 Type of LCD panel VA: LCD Type of backlight: W-LED system; balanced 16: 9 dimensions Typical response time (GtG): 4 milliseconds Visibility: 250 cd/m² Typical contrast ratio: 3000:1.