BenQ LK835ST 4000 ANSI Lumen 4K Laser Installation Projector
Delivery and Shipping
Delivery and Shipping
Reviews (0)
Reviews (0)
Product Description
LK835ST – 4000 ANSI Lumen 4K Laser Installation Projector
- 0.69-0.83 flexible short throw ratio for large image from short distant
- Flexible installation with auto screen fit, quick focus and motorised zoom
- Effortless and consistent blending experience with our unique white balance adjustment
- IP5X sealed engine with optional filter for optimal dust resistance and protection
- Wi-Fi ready with an optional dongle for wireless projection from mobile device
Experience Detailed, Immersive Visuals in 4K Clarity
Discover breathtaking clarity with 4K resolution, bringing intricate details and vibrant colours to life. The LK835ST ensures precise alignment with its motorised zoom, 3D Keystone Correction, and curved screen warping, allowing for quick and easy setup. With the power of 4K resolution, it enhances the immersiveness of any content, making it perfect for educational, interactive, and entertainment setups.
| Display | |
|---|---|
| Brightness (ANSI Lumens) | 4,000 |
| Resolution | 4K UHD (3840 × 2160) |
| Native Aspect Ratio | 16:9 |
| Contrast Ratio (FOFO) | 3,000,000:1 |
| Display Color | 30-bit (1.07 billion colors) |
| Light Source | |
| Type | Laser |
| Life | 20,000 hrs |
| Optical | |
| Throw Ratio | 0.69 – 0.83 |
| Zoom Ratio | 1.2× |
| Lens | F/2.53 (Wide), f = 10.2 mm (Wide) |
| Projection Offset | 102.5% |
| Keystone Adjustment | 3D Correction: Vertical ±30°, Horizontal ±30°, Rotation ±30° |
| Picture | |
| Rec.709 Coverage | 95% |
| Picture Modes | 3D, Bright, Cinema, Game, Golf, HDR10, HLG, sRGB, User 1, User 2 |
| Compatibility | |
| Input Lag | Varies by mode: 4.55 ms (1080p 240Hz), 6 ms (1080p 240Hz), 8.4 ms (1080p 120/240Hz), 12.5 ms (1080p 120Hz), 16.7 ms (1080p/4K 60Hz), 25 ms (1080p/4K 60Hz), 29 ms (1080p 120Hz), 33.4 ms (1080p 60Hz), 58 ms (4K 60Hz) |
| Resolution Support | VGA (640 × 480) to 4K UHD (3840 × 2160) |
| Horizontal Frequency | 15K – 135KHz |
| I/O Interface | |
| HDMI In | 2 × HDMI (2.0b / HDCP 2.2) |
| USB Type-A | 2 × (1 Power/Service 1.5A, 1 Wireless Dongle) |
| USB Type-C | 1 × DisplayPort with PD out 5V/1A |
| RS232 (DB-9) | 1 |
| Audio | |
| Speaker | 1 × 10W |
| HDMI Audio Return | eARC, 7.1 channel |
| Environment | |
| Operating Temperature | 0 – 40℃ |
| Power Supply | AC 100 – 240 V, 50/60 Hz |
| Power Consumption | 192W (Typical, 110V) |
| Standby Power | <0.5W |
| Acoustic Noise | 32 dB (Normal) / 29 dB (Eco) |
| Accessories | |
| Wireless USB Dongle | EZC-5201BS 1080p |
| Remote Control | RCA011 (with Battery) |
| Power Cord | 1 × (1.8m, by region) |
| Quick Start Guide | Yes (21L) |
| Warranty Card | Yes (by region) |
| Universal Ceiling Mount | CM00G3 |
| Dimensions & Weight | |
| Dimensions (W × H × D) | 303.5 × 112.4 × 234.5 mm |
| Dimensions (inches) | 11.94 × 4.43 × 9.23 |
| Weight | 3.4 kg ±100 g (7.48 lbs) |
| Projection System | |
| System | DLP |
| Notes | |
| Product Security Updates | Guaranteed until 31/12/2027 |




