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The LH890UST 1080p 4000-Lumen Interactive Ultra-Short Throw Laser Projector from BenQ uses BlueCore Laser technology to deliver high color performance. It has a brightness of 4000 ANSI lumens and a 100,000:1 dynamic contrast ratio. This projector has a manual focus fixed lens with a 0.23:1 throw ratio.
The LH890UST features two HDMI ports (one with MHL), two VGA ports, an RCA composite, and S-video inputs. There are 3.5mm audio input and output jacks along with a 10W built-in speaker. A power cord, remote control, two AAA batteries, a VGA cable, and a wall mount are included.
BlueCore laser technology with precision-aligned, high-output laser source, secondary yellow-infused color wheel, and hermetically sealed DLP chip
DustGuard technology includes sealed laser modules to protect the laser bank
Color wheel sensors have anti-dust accumulation that resists dust buildup
Dual color wheel system produces high color performance by increasing color ratios and purity of RGBY colors
Creates clear images with 100,000:1 contrast ratio for true deep blacks
4000 ANSI lumens and superior brightness efficiency at the same level as IFPs for clear, sharp images and text even in large, bright classrooms
Instant power on and off to reduce setup time
20,000 hours of maintenance-free operation
Can be mounted on the wall directly above the screen, eliminating distracting shadows and glare for students and teachers
Range of resolutions and projected image sizes to meet diverse classroom needs
Interactive sensor guarantees reliable auto-calibration in any ambient lighting
PointWrite interactive module PW40U and QWrite software (available separately) provides truly collaborative learning environments where students and teachers work together using intuitive templates
Using QCast or Instashow accessories (available separately), teachers and students can bring their own smart devices and computers to stream documents, images, and Full HD videos to this projector
Compatible with leading projector control systems including Crestron, AMX, PJ Link, and Extron IP Link for network control via LAN
Multiple Display Administrator (MDA) software enables powerful centralized monitoring, control, and power scheduling across the school's projector network from a single computer
Administrators can centrally upgrade firmware on multiple networked BenQ education projectors on the same local network via LAN (up to 253 projectors), deploying the latest updates to all devices at once
Upgrades firmware types including TI IC, MCU IC, LAN IC, and Ballast IC
Wall mount features an installation chart and ruler for screen alignment and image position in the classroom
0.75x digital shrink is used for fine tuning the screen size via OSD menu when the image is not precisely aligned on the desired frame
Corner Fit provides individual adjustment of each corner for perfect fit and alignment onto restricted or uneven spaces
DLP-optimized optical lens systems provide precise readability and crisp resolution for every sub-pixel
IR receiver on front
Kensington lock security
UPC: 840046040208