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Optoma EH340UST

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Projection System: DLP Technology, Native Resolution: 1920 x 1080 (1080p), Brightness: 4,000 Lumens, Contrast Ratio: 22,000:1

Spectacular 100" 1080p image from inches away. Perfect for space constrained environments such as meeting rooms, boardrooms, small classrooms, and digital signage.

USB display mirrors Android and iOS devices while LAN display supports up to 4 simultaneous computers. Flexible installations with four corner geometric correction and input options that include HDMI, VGA, and RJ-45. HDCastPro provides wireless screen mirroring with MacOS, Windows, and Android devices. A PC-free image viewer and document reader display office documents, PDFs, and images from USB storage devices.


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.

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.

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.

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.

RS-232 Control

Take control of the projector using HEX or ASCII commands via RS-232 cable.



  • 4,000 lumens and 22,000:1 contrast ratio
  • Auto keystone and four corner correction
  • LAN display via Ethernet with MacOS and Windows
  • USB Display screen mirroring with iOS and Android devices
  • PC-free USB image viewer and office document reader
  • Wireless presentations and images with HDCast Pr (USB Wi-Fi adpater included)


What's In The Box

  • Projector
  • AC Power Cord
  • Remote Control with Batteries
  • Quick Start User Manual


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