DLP 0.47" DMD Interactive Short Throw Projector 4K For Classroom
Price:
Negotiable
MOQ:
10
Delivery Time:
15 days
Brand:
Yeoan
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) |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hefei Yeoan Information And Technology Co.,Ltd. 1646915
Location
No. 79 Kexue Avenue, Keyuan Pioneer Center, High-tech Zone, Hefei City, Anhui Province.
Contact Person
Sales