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) |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
