BenQ LH856UST 3500-Lumen 1080p Laser Ultra Short Throw Interactive Projector

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BenQSKU: LH856UST
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Description

The BenQ LH856UST is a high-performance laser ultra short throw projector engineered to transform modern classrooms and collaborative spaces. With a powerful 3500 ANSI lumens brightness and Full HD 1080p resolution, it delivers sharp, vibrant visuals even in well-lit environments.

Its ultra short throw ratio of 0.33 allows large images to be projected from a very short distance, eliminating shadows and glare while maximizing usable space. Designed for long-term reliability, the laser light source offers up to 38,000 hours in Eco mode and up to 60,000 hours with dynamic dimming, reducing maintenance and total cost of ownership.

Featuring BenQ’s exclusive Infographic and Vivid modes, along with compatibility with the PointWrite Interactive Solution, the LH856UST supports engaging, interactive learning experiences. The IP6X dustproof sealed engine enhances durability and ensures consistent image quality over time.

Complete with dual 10W speakers, flexible connectivity including HDMI 2.0b and LAN, and a standard wall mount included, this projector is built to support cutting-edge classroom interaction with reliability and clarity.

Specification Details
Projection System DLP
Brightness 3500 ANSI Lumens
Native Resolution 1920 x 1080 (Full HD)
Native Aspect Ratio 16:9
Contrast Ratio 3,000,000:1 (FOFO)
Display Colors 30-bit (1.07 billion colors)
Light Source Laser
Light Source Life 20,000 hrs (Normal) / 38,000 hrs (Eco) / 60,000 hrs (Dynamic Dimming)
Throw Ratio 0.33 (Ultra Short Throw)
Zoom Ratio Fixed
Lens F/# 2.5, f = 5.1 mm
Projection Offset 124.6%
Keystone Correction 2D Keystone, Vertical ±15°, Horizontal ±15°
Picture Modes 3D, Bright, Infographic, Presentation, sRGB, User 1, User 2, Vivid
Resolution Compatibility VGA (640×480) to Full HD (1920×1080)
HDMI Inputs 2 x HDMI (2.0b / HDCP 2.2)
PC Input 1 x D-sub 15-pin
Monitor Out 1 x D-sub 15-pin
LAN 1 x RJ45
USB Type-A 1 x (2.0 / 1.5A Power Supply)
USB Mini-B 1 x (PointWrite / Service)
RS232 1 x DB-9
Audio 2 x 10W Speakers
Audio In 1 x 3.5mm Mini Jack
Audio Out 1 x 3.5mm Mini Jack
Microphone In 1 x Mini Jack
Operating Temperature 0 to 40°C
Power Consumption 170W (Typical at 110V)
Standby Power <0.5W
Network Standby <2W
Acoustic Noise 34 dB (Normal) / 32 dB (Eco)
Dimensions (W x H x D) 317.2 x 376.4 x 208 mm
Net Weight 6.5 kg
Included Accessories Remote (RCS011), Power Cord, Quick Start Guide, Warranty Card, Wall Mount (WM04G4)

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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Building a Complete AV System?

This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.

  • System Design & Engineering
  • Installation & Integration
  • Programming & Ongoing Support

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