Description
BenQ LK830ST Short-Throw Laser Projector
Present detailed 4K UHD images in spaces where a short throw matters. The LK830ST pairs 4000 ANSI lumens with a 0.496 throw ratio and laser light source for meeting rooms and visual displays.
Highlights
- 4K UHD (3840 × 2160) resolution and 4000 ANSI lumens
- 0.496 short-throw ratio with fixed zoom
- Laser light source rated for 20,000 hours in Normal mode and 30,000 hours in ECO mode
- Two HDMI 2.0b inputs, LAN, two USB Type-A ports and RS232
Specifications
| Display | |
|---|---|
| Brightness (ANSI lumens) | 4000 |
| Resolution | 4K UHD (3840 × 2160) |
| Native aspect ratio | 16:9 |
| Contrast ratio (FOFO) | 3,000,000:1 |
| Display colour | 30-bit (1.07 billion colours) |
| Light source | Laser |
| Light source life | Normal 20,000 hrs; ECO 30,000 hrs |
| Screen fill | 4:3; 16:9; 16:10; 1:1; 5:4 |
| Optical | |
| Throw ratio | 0.496 |
| Zoom ratio | Fixed |
| Lens | F 2.8, f: 17.51 mm |
| Projection offset (full-height) | 114% |
| Keystone adjustment | 2D; automatic vertical ±30°; horizontal ±30° |
| Picture | |
| Rec. 709 coverage | 93% |
| Picture modes | Entertainment, 3D, Bright, Cinema, Golf, HDR10, HLG, Presentation, sRGB, User 1, User 2, Vivid |
| Compatibility | |
| Input lag | 16.7 ms (1080P 60Hz); 16.7 ms (4K 60Hz); 4.2 ms (1080P 240Hz); 8.3 ms (1080P 120Hz) |
| Resolution support | VGA (640 × 480) to 4K UHD (3840 × 2160) |
| Horizontal frequency | 15K–135KHz |
| Vertical scan rate | 23–240Hz |
| I/O interface | |
| HDMI in | 2 (HDMI-1: 2.0b/HDCP2.2; HDMI-2: 2.0b/HDCP2.2) |
| LAN (RJ45) | 1 |
| USB Type A | 2 |
| RS232 in (DB-9pin) | 1 |
| Audio | |
| Speaker | 1 × 15W |
| Audio out (3.5mm mini jack) | 1 |
| Environment and power | |
| Operating temperature | 0–40°C |
| Power supply | AC 100–240 V, 50/60 Hz |
| Typical power consumption (110V) | 230W |
Shipping & Return
Shipping Policy
1. General Information
All orders are processed within 1-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
2. Shipping Rates & Delivery Estimates
Shipping charges for your order will be calculated and displayed at checkout. Delivery delays can occasionally occur.
- Standard Shipping: Delivery typically takes *3–15 business days*, depending on the delivery location.
- Delays may occur due to incorrect or incomplete addresses provided by the customer or circumstances beyond our control. Any additional charges or penalties arising from such issues will be borne by the customer.
3. Shipment Confirmation & Order Tracking
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.
4. Damages
Vishal Peripherals is liable for any products damaged or lost during shipping. If you received your order damaged, please take the video of unboxing and share through mail at helpdesk@vishalperipherals.com.
Wishlist
Wishlist is empty.




