The BenQ LH890UST Interactive Projector 1080p 4000-Lumen Interactive Ultra-Short Throw Laser projector from BenQ uses BlueCore Laser technology to deliver high color performance. It has a brightness of 4000 ANSI lumens and a 100,000:1 dynamic contrast ratio. This projector has a manual focus fixed lens with a 0.23:1 throw ratio.

BlueCore laser technology with precision-aligned, high-output laser source, secondary yellow-infused color wheel, and hermetically sealed DLP chip

DustGuard technology includes sealed laser modules to protect the laser bank

Color wheel sensors have anti-dust accumulation that resists dust buildup

Dual color wheel system produces high color performance by increasing color ratios and purity of RGBY colors

Creates clear images with 100,000:1 contrast ratio for true deep blacks

LH890UST 4000 ANSI lumens and superior brightness efficiency at the same level as IFPs for clear, sharp images and text even in large, bright classrooms

Key Specs LH890UST

Display System	1-Chip 0.65″ DC3 DMD DLP
Native Chip Resolution	1920 x 1080 (Full HD)
Maximum Brightness	4000 Lumens
Throw Ratio	0.23:1
Projection Size	81 to 121″ / 205.74 to 307.34 cm
Inputs/Outputs	1x HDMI Video 1x HDMI with MHL Support Video 1x DE-15/DB-15 (VGA) Video 1x DE-15/DB-15 (VGA) Video Output 1x RCA (Composite) Video Input 1x 4-Pin DIN (S-Video) Video Input 1x 1/8″ / 3.5 mm Mini Audio Input 1x 2RCA Audio Input 1x 1/8″ / 3.5 mm Mini Audio Output 1x RJ45 LAN 1x DE-9/DB-9 (RS-232) Control Input 1x USB-A 2.0 Power 1x Mini-USB Service 1x Mini-USB Control
Light Source	Laser Phosphor

Image Display

Display System	1-Chip 0.65″ DC3 DMD DLP
Native Chip Resolution	1920 x 1080 (Full HD)
Supported Resolutions	Maximum: WUXGA – 1920 x 1200 Minimum: VGA – 640 x 480
Maximum Brightness	4000 Lumens
Offset	118.8% ± 3%
Aspect Ratio	Native: 16:9
Contrast Ratio	100,000:1
DLP Link 3D	Yes
Supported 3D Formats	Frame Sequential (up to 720p) Frame Packing (up to 1080p) Side by Side (up to 1080p) Top Bottom (up to 1080p)
Color Depth	10-Bit (1.07 Billion Colors)
Scan	Vertical: 23 to 120 Hz Horizontal: 15 to 102 Hz

Lens LH890UST

Includes Lens	Yes
Focus	Manual
Aperture	f/2.4
Focal Length	3.35mm
Optical Zoom	Manual: 1x
Throw Ratio	0.23:1
Projection Size	81 to 121″ / 205.74 to 307.34 cm

Features LH890UST

Keystone Correction	Vertical: ± 20° Horizontal: ± 20°
Digital Zoom	2x
Ceiling Mountable	Yes
Rear Screen Projection	Yes
Built-In Speaker	Yes
Speaker Power	10 W
Projection Tilt Option	Yes

Input/Output Connectors LH890UST

Inputs/Outputs

1x HDMI Video
1x HDMI with MHL Support Video
1x DE-15/DB-15 (VGA) Video
1x DE-15/DB-15 (VGA) Video Output
1x RCA (Composite) Video Input
1x 4-Pin DIN (S-Video) Video Input
1x 1/8″ / 3.5 mm Mini Audio Input
1x 2RCA Audio Input
1x 1/8″ / 3.5 mm Mini Audio Output
1x RJ45 LAN
1x DE-9/DB-9 (RS-232) Control Input
1x USB-A 2.0 Power
1x Mini-USB Service
1x Mini-USB Control

Hardware

Wireless LAN / Wi-Fi	No, Optional Adapter Available
Bluetooth	No

General

Light Source	Laser Phosphor
Expected Lamp Life	Full Brightness: 20,000 Hours
Fan Noise	Full Brightness: 35 dB Medium Brightness: 32 dB
Security	Cable Lock Slot
Supported Languages
AC Input Power	100 to 240 VAC, 50 / 60 Hz at 4.5 A
Power Consumption	Full Brightness: 380 W Medium Brightness: 358 W Low Brightness: 274 W Standby Mode (Lamp Off): < 0.5 W
Operating Temperature	32 to 104°F / 0 to 40°C
Storage Temperature	-4 to 140°F / -20 to 60°C
Operating Humidity	10 to 90%
Storage Humidity	10 to 90%
Dimensions (W x H x D)	19.8 x 6.5 x 15.7″ / 502.1 x 164.5 x 399.3 mm
Weight	19.97 lb / 9.06 kg