IPS Display: 21.5-inch (54.6 cm) Full HD (1920 x 1080) IPS Anti-Glare Display, 300 nits Brightness, up to 75Hz Refresh Rate | Aspect Ratio: 16:9. Brightness 300 nits | HP Eye Ease: An always-on blue light filter that keeps your eyes comfortable with zero impact on color accuracy | 5ms Response Time, 1000:1 Contrast Ratio, On-screen controls; AMD FreeSync; Low blue light mode; Anti-glare | Ports: 1 VGA; 1 HDMI 1.4 (with HDCP support)