ViewSonic VA2037A-LED 20-Inch LED-Lit LCD Monitor, 16:9, 5ms, Anti-Glare (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com. 20" (19.5" viewable) Widescreen LED; 1600 x 900 Resolution 10M:1 MEGA Dynamic Contrast Ratio. Automatic Aspect Ratio Adjustment Energy Star certified with Eco mode VESA mountable 100mm x 100mm