Description
The BenQ LK935 is a high-brightness 4K UHD laser projector engineered for professional AV environments, conference rooms, and immersive simulation applications. Delivering 5500 ANSI lumens and a 3,000,000:1 contrast ratio, it produces sharp, vibrant visuals even in well-lit spaces.
Powered by a maintenance-free laser light source with up to 20,000 hours of life, the LK935 ensures long-term reliability and consistent color performance. Its ultra-wide 21:9 capability enhances Microsoft Teams Rooms and video conferencing experiences, allowing seamless front-of-room display without cropping content.
Advanced installation flexibility includes ±60% vertical and ±23% horizontal lens shift, 1.6x zoom, and 3D keystone with corner fit correction. IP5X DustGuard protection improves durability in demanding environments, while 360-degree and 24/7 projection capability supports continuous operation.
Designed for integrators and IT managers, the LK935 supports LAN control, HDBaseT connectivity, firmware upgrades via USB, and broad resolution compatibility up to 4K UHD.
| Specification | Details |
|---|---|
| Brand | BenQ |
| Model | LK935 |
| SKU | LK935 |
| Projection System | DLP Single 0.47" DC3 DMD |
| Native Resolution | 4K UHD (3840 x 2160) |
| Brightness | 5500 ANSI Lumens |
| Contrast Ratio | 3,000,000:1 |
| Display Colors | 30-bit (1.07 Billion Colors) |
| Native Aspect Ratio | 16:9 (Selectable Aspect Ratios) |
| Light Source | Laser |
| Light Source Life | 20,000 hrs (Normal), 30,000 hrs (Eco/SmartEco) |
| Throw Ratio | 1.36 – 2.18 |
| Zoom Ratio | 1.6x |
| Lens Shift | Vertical ±60%, Horizontal ±23% |
| Keystone Correction | 3D Vertical & Horizontal ±30° |
| Projection Size | 60" – 200" |
| Built-In Speaker | 10W x1 |
| Connectivity | HDMI x2, HDBaseT, DisplayPort, LAN (RJ45), RS232, USB Type-A (5V/2A), Audio Out (Mini Jack & S/PDIF), 3D Sync In/Out, Wired Remote In/Out, 12V Trigger |
| Resolution Support | VGA (640x480) to 4K UHD (3840x2160) |
| HDTV Compatibility | 480i/p, 576i/p, 720p, 1080i/p, 2160p |
| Power Consumption | 520W (Max), 405W (Normal), 270W (Eco) |
| Standby Power | < 0.5W |
| Power Supply | 100 – 240V AC |
| Noise Level | 39/40 dBA (Normal), 32/33 dBA (Eco), 37/38 dBA (Golf) |
| Operating Temperature | 0 – 40°C |
| Dimensions (W x H x D) | 416 x 351 x 166 mm |
| Weight | 7 kg |
| Included Accessories | Remote Control, AAA Batteries, Power Cord (1.8m), Installation Guide, Warranty Card |
| Optional Accessory | Ceiling Mount (CMG3) |
| Operating Modes | 360° Projection, 24/7 Operation |
| Security | Kensington Lock, Security Bar |
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
