The Optoma GT3500HDR is your ultimate gaming and home entertainment projector, featuring an ultra short throw lens that can deliver a stunning 100-inch image from less than a foot away. With a brightness of 3800 lumens, a 500,000:1 contrast ratio, and 4K HDR input compatibility, this compact 1080p Full HD projector provides an immersive viewing experience in any environment. Enhanced Gaming Mode delivers a lightning-fast 8ms input lag at 1080p 120Hz, ensuring responsive gaming performance for fast-paced games. The DuraCore Laser Technology offers up to 30,000 hours of lamp life, ensuring consistent brightness and reliability. The projector's built-in 15W speaker provides rich audio, while the airtight optical engine grants long-term usage, suitable for 24/7 operation. Digital zoom, horizontal and vertical keystone correction, and 4-corner adjustment make installation flexible and easy.