ViewSonic PRO8520HD High Bright Full HD 1080p DLP Installation Projector - (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. Full HD 1080p resolution with high 5,000 ANSI lumens and 8,000:1 contrast ratio Advanced connectivity options including dual HDMI, LAN & USB display, optional Wi-Fi Filter-less design for virtually zero maintenance and low total cost of ownership (TCO)