Description
The BenQ LW855UST is a high-brightness WXGA laser ultra short throw projector designed to transform classrooms and collaborative spaces. With 3,500 ANSI lumens and a 0.35 ultra short throw ratio, it delivers large, clear images from a very short distance, minimizing shadows and glare for immersive front-of-class interaction.
Powered by a long-lasting laser light source with up to 38,000 hours in Eco mode, the LW855UST significantly reduces maintenance costs while ensuring consistent brightness over time. The IP6X dustproof sealed engine enhances durability and reliability in demanding educational environments.
BenQ’s exclusive Infographic and Vivid modes optimize color performance for detailed charts, presentations, and multimedia content. With optional PointWrite interactive compatibility, dual 10W speakers, and flexible connectivity including HDMI 2.0 with 4K input support, the LW855UST is built to support modern digital learning and interactive collaboration.
| Specification | Details |
|---|---|
| Brand | BenQ |
| Model | LW855UST |
| Projection System | DLP, Single 0.65" DMD |
| Native Resolution | WXGA (1280 x 800) |
| Brightness | 3,500 ANSI Lumens |
| Contrast Ratio | 3,000,000:1 |
| Aspect Ratio | 16:10 Native (Selectable: Auto / 4:3 / 16:9 / 16:10) |
| Light Source | Laser |
| Light Source Life | 20,000 hrs (Normal), up to 38,000 hrs (Eco), up to 60,000 hrs (Dynamic Dimming) |
| Throw Ratio | 0.35 Ultra Short Throw |
| Zoom | Fixed |
| Lens Control | Manual Focus |
| Lens Shift | Vertical ±2% |
| Keystone Correction | 2D Keystone, Vertical ±15°, Horizontal ±15° |
| Projection Size | 80"–100" |
| Display Color | 1.07 Billion Colors |
| Built-in Speakers | 10W x2 |
| Noise Level | 34 dBA (Normal), 32 dBA (Eco) |
| Power Consumption | Max 190W, Normal 170W, Eco 140W |
| Standby Power | <0.5W (Normal), <2W (Network) |
| Connectivity | 2x HDMI (HDMI 2.0 with 4K input support), VGA In, VGA Out, LAN (RJ45), RS232, USB Type-A, USB Mini-B (PointWrite), Audio In/Out, Microphone In |
| Control Compatibility | LAN Control, Crestron, AMX, PJ Link |
| Interactive Support | Optional PointWrite Kit (PW31U / PW30U) and Touch Module (PT20) |
| Security | Security Bar, Kensington Lock Slot |
| Operating Temperature | 0°C to 40°C |
| Dimensions (W x H x D) | 317.2 x 376.4 x 208 mm |
| Weight | 6.5 kg |
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
