The Optoma H181X will transform any room into an incredible big-screen video and 3D entertainment room with up to 300" image size. Delivering a remarkable 3200 lumens bright image with a 23,000:1 contrast ratio, the HD181X will delight your family and friends with its crystal clear 720p HD video with outstanding image detail and fantastic color reproduction. With all digital connectivity, the Optoma H181X is compatible with your favorite Blu-ray 3D player, streaming video set-top box, PS3, PS4, Xbox 360, Xbox One and other gaming consoles. Packed with an extensive list of advanced features, the H181X will take your home entertainment to a whole new level. It also features 2x HDMI ports for multi-input source switching convenience, USB-A with 5V DC 1A power, full 3D compatibility, 1080p HD compatibility, adjustable Gamma, 1.2X zoom lens, built-in 2W speaker, audio-out jack, RS-232 connectivity, ultra-long lamp life, whisper quiet fan and much more.