BenQ LH820ST - 3600-Lumens Full HD Short-Throw DLP Laser Projector

Brand: BenQ | Model: 840046047986
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The BenQ LH820ST is a 3,600 ANSI-lumen Full HD laser projector designed for short-throw applications where bright, detailed images are required from a limited projection distance. It features native 1920 × 1080 resolution, DLP technology, a 0.497 throw ratio, and a fixed lens, making it suitable for simulation environments, interactive entertainment, commercial spaces, presentations, and other compact installations.

The projector uses a laser light source with up to 30,000 hours of life in ECO mode and incorporates an IP5X dustproof sealed optical engine for reduced maintenance. It supports 2D keystone correction of ±30° horizontally and vertically, delivers 90% Rec. 709 coverage, and offers a low input latency of approximately 16.7 ms at 1080p/60Hz for smooth dynamic content.

Specifications

Specification Details
Brand BenQ
Model LH820ST
Projector Type Short-Throw Laser Projector
Projection System DLP
Brightness 3,600 ANSI Lumens
Native Resolution Full HD 1920 × 1080
Aspect Ratio 16:9
Contrast Ratio 3,000,000:1 (FOFO)
Display Color 30-bit / 1.07 Billion Colors
Light Source Laser
Light Source Life 20,000 Hours Normal / 30,000 Hours ECO
Throw Ratio 0.497
Zoom Ratio Fixed
Lens F/2.8, f = 7.46 mm
Projection Offset 109%
Keystone Correction 2D, Horizontal ±30° / Vertical ±30°
Lens Shift Not Available
Rec. 709 Coverage 90%
Input Lag 16.7 ms at 1080p/60Hz
Supported Resolution VGA 640 × 480 to Full HD 1920 × 1080
HDMI Inputs 2 × HDMI 1.4b / HDCP 1.4
PC Input 2 × D-Sub 15-pin
Monitor Output 1 × D-Sub 15-pin
Composite Video 1 × RCA
S-Video 1 × Mini DIN 4-pin
LAN 1 × RJ45
USB Type-A 1 × USB 2.0 / 1.5A Power Supply
USB Mini-B 1 × Service / Page Up & Down
RS-232 1 × DB-9
Audio Input 3.5 mm Mini Jack
Audio Output 3.5 mm Mini Jack
Microphone Input 3.5 mm Mini Jack
Built-in Speaker 10 W
Operating Temperature 0°C – 40°C
Power Supply AC 100–240 V, 50/60 Hz
Typical Power Consumption 315 W
Standby Power Consumption <0.5 W
Noise Level 33 dB Normal / 29 dB ECO
Dimensions (W × H × D) 410 × 272 × 157.7 mm
Net Weight 5.6 kg
   
Weight5.6
Dimensions27.2x41x15.77
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BenQ LH820ST - 3600-Lumens Full HD Short-Throw DLP Laser Projector
₹172,800 14% off