BenQ TH671ST Projector - Full HD, 3000 Ansi LumensPacked with 3,000 Ansi Lumens of brightness and a 10000: 1 high contrast ratio, the BenQ TH671ST is equipped to produce bright, clear images in most environments. Ideal for home, schools, offices and more. Key Features: 3,000 Ansi Lumens Full HD Resolution 1080p Up to 15,000 hours lamp life 2 x HDMI ports Short throw 0. 69~0. 83 2x Zoom Ratio Viewing Comfort in Any Light Setting The BenQ LumiExpert technology actively detects the lighting conditions