. The Optoma EH460ST is the ultimate short-throw 1080p projector for classrooms corporate boardrooms and multi-purpose offices. Its 0.5 throw ratio bright 4200 lumens and 20000 1 contrast ratio produce incredibly vivid sharp and large 152-inch images from 5.5-feet away that\'s visible practically any time of the day. Support for sRGB and Rec.709 color profiles ensures accurate color reproduction whether the source is PC or video devices.. Integrated file viewing capabilities lets the Optoma EH460ST quickly display office documents PDFs images and presentations directly from USB storage devices. HDCast Pro features provide wireless screen mirroring capabilities for Android iOS Mac OS and Windows devices. USB display mode support lets Android and iOS devices connect directly via USB for wired screen mirroring too.. A 10 Watt internal speaker fills the room with loud and crisp audio that enhances media content and presentations. Robust input options include 2 HDMI VGA-in VGA-out and RJ-45 for connectivity to a wide range of devices. A long-hour lamp life enables many years of use with minimal maintenanceKey Product Info . Project an extraordinary 152-inch 1080p image from 5.5-feet away with a 0.5 throw ratio 4200 lumens and 20000 1 contrast ratioExtensive I/O support with 2x HDMI (with MHL) VGA-in VGA-out audio-in audio-out RJ-45 USB reader RS-232CPC-free presentations and images HDCast Pro wireless presentations and images from PC Mac Android and iOSPowerful 10 Watt speaker enhances presentations and audio/video with crisp and clear soundUSB display mode enables instant screen mirroring when connecting iOS and Android devices What\'s in the box? . Optoma EH460STUSB wireless network adapter wireless remote control