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- Light Brightness 4,000 Lumen
- Resolution 1920 x 1080 Full HD
- Aspect Ratio 16:9
- Operating noise 32 dB

Product information
BenQ LH835ST – high-performance laser projector with impressive image quality
The BenQ LH835ST is a high-performance 1080p laser installation projector that delivers an exceptional visual experience thanks to its high brightness of 4000 ANSI lumens and advanced features. With its short-throw technology, it projects large images from a short distance, making it ideal for interactive rooms, presentations and immersive experiences.

Technical data at a glance:
- Resolution: Full HD 1080p
- Brightness: 4000 ANSI L umen
- Contrast ratio: high dynamic contrast for brilliant details
- Short throw ratio: 0.69-0.83 for large images at short distances
- Zoom & Focus: Motorised zoom and focus adjustment for quick installation
- Laser light source: 20,000 hours of lifetime, 37% less energy consumption
- Wi-Fi support: wireless projection with optional dongle
Quick and easy installation
The BenQ LH835ST impresses with its uncomplicated setup. Thanks to Auto Screen Fit, motorised zoom and keystone correction , image adjustment is done in no time. This saves valuable time and enables a complete installation up to twice as fast as with conventional projectors.
Impressive image quality – razor-sharp and colour-accurate
Equipped with the latest laser technology, the LH835ST offers 95% coverage of the Rec. 709 colour space, guaranteeing realistic and brilliant colours. The high brightness of 4000 ANSI lumens ensures vivid images – even in bright environments.

Flexibility and convenience for a wide range of applications
With a short throw ratio of 0.69-0.83, the LH835ST projects an impressive image of over 150 inches from just 2.7 metres away. This prevents annoying shadows and is ideal for interactive applications, conferences and sports broadcasts.

Long-lasting performance with no maintenance
Thanks to the lamp-free laser light source, there is no need to replace lamps regularly. With a lifespan of up to20,000 hours in normal operation – and up to 30,000 hours in eco mode – you can enjoy reliable performance with no maintenance costs. What's more, the projector has no filters and a dust-protected housing that meets the IP5X standard, which is optimised for use in demanding environments.
Energy-efficient and environmentally friendly
The BenQ LH835ST reduces power consumption by up to 37% compared to conventional projectors with lamp technology. In addition, the housing is made from recycled materials and meets the strict environmental standards TÜV and UL.
Wireless projection with optional Wi-Fi dongle
For even more convenient use, the LH835ST enables wireless projection from mobile devices or computers via an optional Wi-Fi dongle. This makes annoying cables a thing of the past.
Modern and unobtrusive design
The elegant, matte black casing of the LH835ST blends seamlessly into any environment and prevents annoying reflections. Thanks to its compact design, the projector can be easily integrated into existing setups.
With the BenQ LH835ST, you are choosing a high-performance, low-maintenance and flexible installation projector that offers brilliant image quality, easy operation and maximum efficiency – perfect for professional and interactive applications.
Technical data
Name | BenQ LH835ST Projector, 1920 x 1080 Full HD, 4000 Lumen |
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Article number | 1000034400 |
GTIN/EAN | 4718755095450 |
Manufacturer SKU | 9H.JT377.13E |
Lens included | Yes |
Model name | LH835ST |
Projection Distance | Short Throw |
Brand | BenQ |
Product Type | Projector |
Product Series | BenQ L Series |
Application | Business projector , Installation projectors , Short throw projectors |
Projector Type | DLP |
Projector lamp type | Laser |
ANSI Lumen | 4,000 ANSI Lumen |
Resolution | 1920 x 1080 Full HD |
Aspect Ratio | 16:9 |
Contrast Ratio | 3,000,000 :1 |
Operating noise | 32 dB |
Operating noise - ECO | 29 dB |
Lamp life | 20,000 Hour |
Maximum Projection Distance | 270 cm |
Minimum Projection Ratio | 0.69 |
Maximum Projection Ratio | 0.83 |
Horizontal Keystone | 30% |
Vertical Keystone | 30% |
Inputs | 1x Displayport , 1x RS232 , 2x HDMI , 3x USB-A |
wireless technology | WLAN optional |
Features | Integrated speaker |
Product width | 30.35 cm |
Product height | 23.45 cm |
Product depth | 11.24 cm |
Weight | 3.3 kg |
Colour | Black |
Delivery contents | Power cable , Remote control |
Condition | New |
Warranty | 36 Month |
Warranty type | Bringin service Service and support information |
Product safety
Person responsible for the EU |
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BenQ Deutschland GmbH |
Essener Str. 5 |
46047 Oberhausen |
Germany |
support@benq.eu |