The projector parameters of 1 and ask 1340 are product types: business projector and educational projector.

2. Projection technology: 3LCD.

3, brightness: 3000 lumens.

4. Comparison: 1 1000: 1.

5. Standard resolution: XGA( 1024 times 768)

6. Screen ratio: 4: 3/ 16: 9.

7. Projection size: 30-300 inches.

8. Life of light source: Normal mode: 40,000 hours.