DLP 0.47" DMD Interactive Short Throw Projector 4K For Classroom

Name: DLP 0.47" DMD Interactive Short Throw Projector 4K For Classroom
Brand: Hefei Yeoan Information And Technology Co.,Ltd. 1646915
SKU: SJ-42KL
Price: 380.00 USD
Availability: InStock

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

Detail Information

Product Description

Detail Information

Brightness:

4200lm

Resolution:

4K (3840*2160)

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:

0.47" dMD Short Throw Projector 4K

DLP Short Throw Projector 4K

dMD DLP interactive classroom projector

Product Description

DLP 0.47" DMD Interactive Short Throw Projector 4K For Classroom

Key Features

Ultra short throw projection with 0.21:1 ratio
Pixel shifting 4K resolution (3840×2160)
4200 lumens brightness for clear visibility
Laser light source with 20,000-25,000 hour lifespan
Native eye protection with diffuse light source
Built-in Android 8.0 system with 3+32GB memory
Rim blending function for large screen displays

Technical Specifications

Attribute	Value
Brightness	4200lm
Resolution	4K (3840×2160)
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

Advanced Features

Optical Engine

High-efficiency design with laser light source module (8-year replacement-free)

Eye Protection

Diffuse light source removes harmful blue light, prevents glare, and reduces visual fatigue

Smart Teaching System

Built-in system covers four main teaching scenes: whiteboard, textbook, courseware, and review

Application Scenarios

Future classrooms, mobile offices, home theaters, and other adaptive environments

Detailed Specifications

Category	Specification
Model	SJ-42KL
Light Source Life	Standard: 20,000 hours, Energy saving: 25,000 hours
Throw Distance	390mm ~ 584mm (best at 488mm)
Sound Output	8W × 2
Input Ports	HDMI×2, USB×2, LAN×1, RS232×1
Dimensions	380 × 342.5 × 143mm (without support)
Weight	Approximately 9 Kg
Operating Conditions	5-40°C, 10-85% humidity (non-condensing)