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BENQ LH856UST DLP Ultra Short Throw Full HD Laser Projector
- Wall Mount Included!

benq lh856ust projector



3yr warranty
australian stock
insured delivery
1080p resolution


  • 1080p 1920 x 1080 16:9
  • 3500 ANSI Lumens
  • 3,000,000:1 Contrast
  • 6.5kg Weight
  • 34 / 32db(eco) Fan Noise
  • 3 Year Warranty
  • 3 Years/10,000hrs Laser Warranty
  • Est. Laser Life up to 60,000hrs

Key Features

  • 2x HDMI Connection
  • Horizontal & Vertical Keystone
  • Powerful 2x 10W Speaker
  • 3D Capable(3D glasses required)
  • Optional Pen Interactivity
  • Optional Touch Interactivity
  • Optional Wireless

BenQ LH856UST Throw Distance Chart

Throw Ratio: 0.33:1
Examples of installation distance for some popular screen sizes.
Image Size Installation Distance
(from screen to projector chassis)
82" (16:9) 1830x1030mm Approx 0.29m
92" (16:9) 2030x1140mm Approx 0.36m
100" (16:9) 2214x1245mm Approx 0.42m

LH856UST 3500AL 1080p Laser Ultra Short Throw Interactive Projector

The LH856UST is built for heavy usage environments whether operating in a training room or class room the sealed optical engine ensures dust does not get into the critical parts of the projector to affect the image. The long life laser is built to operate for 20,000 hours in full brightness mode. 38,000 hours in the dimmer economic mode or up to 60,000 hours with dynamic light source dimming so is customizable to your brightness needs. BenQ also have an optional interactive kit so you can upgrade the LH856UST to be touch or pen interactive.

  • T/R=0.33 ultra short throw ratio
  • Up to 38,000-hour laser light source lifespan (under Eco mode) or 60,000 hours in Dynamic Dimming
  • BenQ Exclusive Infographic/Vivid Mode
  • PointWrite Interactive Solution Compatibility
  • IP6X dustproof sealed engine mechanism reduces maintenance costs

Creating Lasting Lessons with Stunning Picture Quality

Revolutionary Laser Technology

lh856ust laser

lh856ust bluecore

Superior Brightness

Precision-Aligned High Output Laser Source

lh856ust phosphoer

Superior Performance

Secondary Yellow-Infused Color Wheel

lh856ust dmd

Superior Durability

Hermetically Sealed DLP Chip

lh856ust Contrast

Laser-Enabled Ultra High Contrast

The LH856UST Interactive Laser Projector produces stunningly clear images with an extra high contrast ratio of 3,000,000:1 for true deep blacks, vibrant rich colors, and exquisitely subtle details.

Uncompromised High Brightness

For excellent projection performance, the LH856UST produces 3500 ANSI lumens and 1080p 1920x1080 resolution for clear, sharp images and text even in large and bright classrooms. High brightness allows you to keep the lights on during lessons, and wide aspect resolution increases visibility and readability in all types of content.

lh856ust Brightness

Tailored Color Modes for Optimal Learning Experiences

With BenQ professional color-grading technology, the LH856UST is tailored for presenting various educational content. Infographic Mode is great for showcasing the text and graphics of infographics in detail, ensuring more saturated and lively color performance than standard Presentation Mode. Vivid Mode is designed for superior color performance for video or image presentations.

lh856ust colour modes

Optimized Investment in Education Tech

Superior IP6X Dust-proof Sealed Engine Design to Prolong Projector Lifespan

lh856ust dustguard

Shield your projectors from harmful dusts with BenQ Dust Guard technology.

lh856ust Colour Wheel dust

Resists Dust Buildup

An ingenious anti-dust accumulation color wheel sensor repels debris from blocking the IR signal and causing flickering, abnormal colors, or even shutdown.

lh856ust laser dust

Sealed Laser Light Source

The laser light source is fully enclosed and well protected from dust in any environment.

lh856ust dust seal

Sealed Engine

Advanced IP6X protection with a sealed engine that eliminates any chance of dust contaminating the projector’s key components.

Instant Power On and Off

The LH856UST laser projector can be turned on and off instantly, significantly reducing setup time compared to lamp-based projectors. The LH856UST also features instant response, requiring no waiting to turn on or resume for flexible performance.

lh856ust instant on off
lh856ust longlife

38,000-hour Long-Lasting Performance

With a fully sealed laser light source and an innovative sealed laser engine design, the LH856UST delivers 38,000 hours of maintenance-free operation under Eco mode, eliminating the need for lamp replacements and maintenance costs.

Expanding Classroom Possibilities with Collaborative Teaching

Ultra Short Throw

The LH856UST ultra short throw laser projector can be mounted just inches from the wall or directly above the screen, eliminating distracting shadows and glare so students and teachers can freely engage and collaborate at the board.

lh856ust Short Throw

Collaborate Freely on Any Surface

BenQ PointWrite™ technology works on any flat surface, creating new opportunities for classroom interactivity and enabling more possibilities for modern digital classrooms.

lh856ust Point Write

Multi-Touch with Pens and Multi-Screen Collaboration

Coupled with PointWrite™ PW30U kit and the PT20 touch module, the LH856UST augments collaboration with styluses or direct touch. In QWrite software Whiteboard Mode, teachers can run different applications or display, view, and annotate across two screens for multiple users at once.

*PointWrite™ PW30U and PT20 are optional accessories sold separately.

lh856ust PW30U
lh856ust Easy Setup

Intuitive Setup

BenQ PointWrite™ automatically calibrates and saves its settings the moment it is plugged into a computer’s USB port. Additionally, the LH856UST’s interactive sensor guarantees reliable auto-calibration in any ambient lighting environment.

Easier BYOD Collaboration

For engaging and intuitive lessons, teachers and students can bring their own smart devices and computers to stream documents, images, and even full HD videos via LH856UST projectors, facilitating open exchange of ideas and collaborative teamwork.

* Compatible with the LW855UST and LH856UST, the QCast Mirror QP30 dongle is an optional accessory, sold separately.

lh856ust wireless

Facilitating Smart and Efficient Projector Maintenance

Control System Compatibility

The LH856UST is widely compatible with leading projector control systems including Crestron, AMX, and PJ Link for network control via LAN, making it simple to integrate into educational network infrastructures. The LH856UST also supports RS-232 for reliable long distance installation of up to 15 meters when there is no LAN port available nearby.

lh856ust wireless
lh856ust DMS

Centralized Control with BenQ DMS Software

BenQ DMS Local is a device info and management software suit for Windows. The software helps IT departments control multiple displays at a time via LAN.

Centralized Upgrade Tool for Multi-projector Maintenance

Administrators can centrally upgrade the firmware on multiple networked BenQ projectors on the same local network via LAN (up to 253 projectors), deploying the latest updates to all devices at once. This new tool can upgrade firmware for TI IC, MCU IC, LAN IC, and Ballast IC, with a friendly user interface.

lh856ust Multi

Simplified Image Alignment and Perfect Installation

Streamlined Wall Mount Alignment

For efficient professional installation, the LH856UST ultrashort throw projector wall mount features an installation chart and ruler for perfect screen alignment and image positioning in the classroom. To make things even simpler, a three-way adjustment knob is located in the front of the projector for cleanly installed, absolutely square screens.

lh856ust Mount

Clear Images without Distortion

lh856ust Zoom

2X Digital Zoom

The 2X digital zoom offers a wide range of throw distances to significantly increase installation flexibility for diverse mounting and placement options.

lh856ust Shrink

Digital Shrink & Shift

Shrink and shift projection via the OSD without reinstalling or adjusting the projector physically to get precisely aligned images on the desired frame and space.

lh856ust Keystone

2D Keystone & Corner Fit

The LH856UST is equipped with two-dimensional keystone correction. Corner Fit control adjusts each corner respectively for perfectly aligned image geometry.

Brightness (ANSI lumens) 3500
Native Resolution 1080P (1920x1080)
Native Aspect Ratio 16:9
Contrast Ratio (FOFO) 3,000,000:1
Display Color 30-bit (1.07 billion colors)
Light Source Laser
Light Source Life a. Normal 20000 hrs, b. ECO 38000 hrs, c. Dynamic Dimming 60000 hrs
Throw Ratio 0.33
Zoom Ratio Fixed
Lens F/# = 2.5, f = 5.1 mm
Projection Offset (Full-Height) 124.6%
Keystone Adjustment 2D, Vertical ± 15 degrees; Horizontal ± 15 degrees
Picture Modes 3D, Bright, Infographic, Presentation, sRGB, User 1, User 2, Vivid
Resolution Support VGA (640 x 480) to 4K UHD (3840 x 2160)
Horizontal Frequency 15K~135KHz
Vertical Scan Rate 23~120Hz
I/O Interface  
PC in (D-sub 15pin) (x1), PC in-1 (shared with component video)
Monitor out (D-sub 15pin) (x1)
HDMI in (x2), HDMI-1 (2.0b/HDCP2.2), HDMI-2 (2.0b/HDCP2.2)
LAN (RJ45) (x1)
USB Type A (x1), USB Type A-1 (2.0/Power Supply1.5A)
USB Type Mini B (x1), USB Type Mini B-1(PointWrite), USB Type Mini B-1(service)
RS232 in (DB-9pin) (x1)
Speaker (x2), 10W
Audio in (3.5mm Mini Jack) (x1)
Audio out (3.5mm Mini Jack) (x1)
Microphone in (Mini Jack) (x1)
Operating Temperature 0~40℃
Power Supply AC 100 to 240 V, 50/60 Hz
Typical Power Consumption (110V) 170W
Stand-by Power Consumption 0.5W
Network Stand-by Power Consumption 2W
Acoustic Noise (Typ./Eco.)(dB) 34/32
Remote Control w/ Battery RCS011
Power Cord (by region) x1 (3.0M)
3D Glasses (Optional)
Quick Start Guide (x1) 21L
Warranty Card (by region) Yes
Wall Mount (Standard), WM04G4
Dimension & Weight  
Dimensions (WxHxD) (mm) 317.2 x 376.4 x 208
Net Weight (kg) 6.5

What's in the Box
remote control
Remote Control
wall mount
Wall Mount
power cord
Power Cord

Rear Panel

lh856ust rear panel

Optional Accessories

+1 year warranty
Warranty Upgrade +1 Year

More Information

remote control
Dareu Red Laser Presenter Remote Control

More Information

hdmi cable
Premium HDMI Cable
From $19.95

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