Enhance presentations and events with colorful and bright 3,600 Lumens 1080p images from the Optoma EH330UST. Its 20,000:1 contrast ratio and ultra short throw ratio display sharp 100-inch images from inches away – perfect for space constrained environments such as small classrooms, meeting rooms, boardrooms and digital signage applications. A PC-free image viewer and document reader display office documents, PDFs and images from USB storage devices. HDCast Pro connectivity provides wireless screen mirroring with Android, Mac OS and Windows devices. LAN display supports up to 4 simultaneous computers while USB display mirrors Android and iOS devices. Four corner geometric correction allows flexible installations while robust input options include HDMI, VGA and RJ-45 for connectivity to a wide range of devices. Bright 3,600 Lumens and 20,000:1 contrast ratio produce razor-sharp images PC-free USB image viewer and office document reader Wireless presentations and images with HDCast Pro (USB Wi-Fi adapter included) USB display screen mirroring with iOS and Android devices LAN display via Ethernet with Windows and Mac OS X Auto keystone and four corner correction for robust installatio DLP Technology® DLP® (Digital Light Processing) is a proprietary technology from Texas Instruments™ that offers digital projection with higher contrast, faster response time, good pixel structure and virtually no color degradation. Ultra Short Throw Ultra short throw projection enables closer placement to the wall with reduced shadows for easy presenting. The placement makes it perfect for interactive applications and education environments, too. PC-free USB Image and Document Viewer Integrated PC-free image and document viewer provide direct viewing of office documents, PDFs, images and presentations from any USB storage device. HDCast Pro – Wireless Display and Document Casting Screen mirror Android, Windows and Mac devices wirelessly; Cast images and documents from Android, iOS, Windows and Mac devices or use USB Display to screen mirror Android and iOS devices. RS-232 Control Take control of the projector using HEX or ASCII commands via RS-232 cable. Four Corner Adjustment Four corner geometric correction enables quick and easy image adjustments from any of the corner points of the image. This is ideal for uneven or angled projection surfaces. Specifications Aspect Ratio 16:9 (native), 16:10 and 4:3 compatible Audio 16 Watt Speaker Brightness 3,600 ANSI Lumens Connections HDMI 1.4a (MHL 2.0), HDMI 1.4a, composite video in, audioin (3.5mm), VGA-in, VGA-out, audio-out (3.5mm), RS-232C, RJ-45, USB port (Wi-Fi adapter), USB port (USB display/ PC-free/mouse/power) Contrast Ratio 20,000:1 Display Technology Single Texas Instruments 0.65" 1080p DMD Displayable Colors 1.07 billion Image Size 80"– 100" Light Source Type 240W Light Source Life 15,000/10,000/4,000 (Dynamic/Eco/Bright) Lens Shift None Maximum Resolution WUXGA (1920 x 1200) Native Resolution 1080p (1920 x 1080) Noise Level 25dB (ECO) Offset 119% ± 3% Operating Temperature 41–104°F (5–40°C), 85% max humidity Power Consumption 285W (Bright), 205W (ECO) Power Supply Auto-ranging: 100V ~ 240V ± 10%, 50-60Hz Projection Distance 6"– 9" Projection Method Front, rear, ceiling mount, table top Throw Ratio 0.25:1 (distance/width), ±5% Variance Uniformity 80% Zoom Type Fixed lens COMPATIBILITY SPECIFICATIONS 3D Compatibility Supports all HDMI 1.4a mandatory 3D formats (Frame pack, side-by-side, top-bottom) and up converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz (i.e 60 or 72 frames per eye). Computer Compatibility SVGA, VGA, SXGA, UXGA, XGA,WXGA, HD, Mac Horizontal Scan Rate 15.375 – 91.146 KHz Vertical Scan Rate 24 – 85Hz (120Hz for 3D) PHYSICAL SPECIFICATIONS Dimensions 13.5″ x 4.75″ x 15″ Security Kensington® Lock port, security bar and keypad lock Weight 8.7 lbs.