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The BenQ LK830ST is a professional-grade, short-throw laser projector engineered for immersive simulation, large-venue display, and multi-projector installations. With true 4K UHD resolution and 4000 ANSI lumens brightness, it delivers razor-sharp imagery and vibrant color even in challenging lighting environments. Its 0.5 throw ratio reduces installation distance and enables large image projection from tight spaces—ideal for simulation rooms, architectural mapping, or interactive installations.
True 4K UHD (3840 × 2160) resolution for razor-sharp detail.
4000 ANSI lumens for bright and vivid visuals in ambient light.
Short-throw 0.5 : 1 ratio projects large images from tight spaces.
Laser light source rated up to 30,000 hours for long-term reliability.
3,000,000 : 1 contrast ratio for exceptional depth and color accuracy.
Sealed optical engine and optional air filter for dust protection.
Factory color calibration with BenQ White Balance Adjustment (WBA).
360° installation flexibility with portrait mode and keystone correction.
LAN-based remote management and firmware updates.
BenQ LK830ST Projector
Remote Control with Batteries
Power Cord
Quick Start Guide
Warranty Card
(Optional accessories sold separately: ceiling mount, anti-dust filter kit.)
Display Technology: DLP (single chip 0.65")
Resolution: 3840 × 2160 (4K UHD)
Brightness: 4000 ANSI Lumens
Contrast Ratio: 3,000,000 : 1
Throw Ratio: 0.496 : 1
Light Source Life: 20,000 h (Normal) / 30,000 h (Eco)
Keystone Correction: ±30° Vertical & Horizontal (2D)
Dimensions (W × H × D): 10.99″ × 4.74″ × 9.03″
Weight: 7.5 lb (3.4 kg)
Inputs: HDMI 2.0b × 2, USB Type-A × 2, LAN (RJ-45), RS-232, Audio Out (3.5 mm)
Noise Level: 30 dB (Normal) / 24 dB (Eco)
Processing Time:
Orders are typically processed within 1–2 business days.
Delivery Time:
Most BenQ products are delivered within 7-10 business days depending on if the product is going to the West Coast or East Coast.
Shipping Process:
Upon your product leaving the warehouse, you will be provided with tracking information via email. If you place an order and have not received a shipping notification, your order is likely still being processed.
How to Check Order Status:
To check your order status, email us at [email protected] with your 5-digit order number. You may also call or text us at 571-500-8371 for assistance.
NOTE: Delivery times are subject to change and may vary based on carrier delays or other circumstances beyond our control. If any changes occur, we will make every effort to notify you promptly.
Return Policy:
Any product purchased on BenQ may be returned within 30 days of its original shipping date. Products that arrived damaged must be reported to us within 5 business days to qualify for a full refund. All products must be returned in the original packaging with all original items in the box.
Restocking Fee:
Please note shipping costs are non-refundable. A restocking fee will apply on select products and if there is physical damage not caused by BenQ or the shipping carrier. Any additional damage or missing items (i.e. remote control) will result in an additional charge.
Return Process:
New products:
New monitors and projectors have a 3-year warranty period. Pre-installed lamps on new units are warrantied for 2000 hours or 1 year, whichever is first.
Refurbished products:
Refurbished units have a 1-year warranty period. Pre-installed lamps on these projectors are warrantied for 500 hours or 90 days, whichever expires first.
Lighting Products:
All lighting products have a 1-year warranty period. Lighting products include the ScreenBar series, e-Reading Desk Lamp, e-Reading Floor Lamp, and the PianoLight.
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
US$40
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