UST Laser WUXGA Classroom Teaching Short Throw Projector 4K 4200lm

Brand Name:	Yeoan
Model Number:	ZKQSJ-42KL
MOQ:	10
Payment Terms:	L/C, T/T, Western Union

Detail Information

Product Description

Detail Information

Brightness:

4200lm

Resolution:

3840*2160 (4K)

Display Technology:

DLP 0.47" Dmd

Projection Ratio:

0.21:1

Projection Light Source:

Laser

Aspect Ratio:

Native:16:10 Compatible: 4:3/16:9

Keystone Correction:

Manual, Vertical And Horizontal

Contrast Ratio:

1100:1

Highlight:

UST laser Short Throw Projector 4K

WUXGA Short Throw Projector 4K

WUXGA ust laser 4k projector

Product Description

UST Laser WUXGA Classroom Teaching Short Throw Projector 4K 4200lm

Key Features

Ultra Short Throw (0.21:1) for minimal shadows and glare
True 4K UHD resolution (3840×2160) with 4200 lumens brightness
Laser light source with 20,000-25,000 hour lifespan
Native WUXGA (16:10) aspect ratio with 4:3/16:9 compatibility
Built-in Android 8.0 system with 3GB RAM + 32GB storage
Eye protection technology with diffuse light source
Comprehensive teaching tools for interactive classrooms

Technical Specifications

Display Technology	DLP 0.47" dmd
Brightness	4200 lumens
Contrast Ratio	1100:1
Projection Ratio	0.21:1
Light Source	Laser (20,000-25,000 hours)
Keystone Correction	Manual vertical and horizontal
Sound Output	8W × 2
Dimensions	380 × 342.5 × 143mm (9kg)

Professional Applications

Ideal for classrooms, conference rooms, lecture halls, and professional environments requiring:

Large, bright images in well-lit rooms
Minimal installation space requirements
Long-lasting, maintenance-free operation
Interactive teaching capabilities
Eye comfort for extended viewing

Advanced Features

Eye Protection Technology: Diffuse light source removes harmful blue light, prevents glare, and reduces visual fatigue for prolonged viewing comfort.

Smart Teaching System: Built-in Android platform with specialized tools for whiteboard, textbook, courseware, and review teaching scenarios.

Premium Image Quality: 1.07 billion color display (10-bit), large color gamut, and high viewing angle for consistent image quality from any position.

Connectivity & Installation

Inputs: HDMI×2, USB×2, LAN, RS232

Outputs: SPDIF, Audio out

Installation Options: Table front/rear projection, ceiling front/rear projection

Optimal Screen Size: 100" recommended