| Technical Specification | |
| Gray level | 256 |
| Scanning speed | 20frame/second |
| Working current | 200mA |
| Grayscale dynamic range | 180 |
| Working voltage | 5V |
| Distortion | <1% |
| Image size | 32.5mmx32.5mm |
| Image pixel | 640×640 |
| Resolution | 500DPI |
| Scanner window size | 40mmx40mm |
| Scanning type | single, rolling |
| Working Temperature | -10°C – 55°C |
| Reserve space | 10K |
| System Requirement | USB 2.0 interface, SVGA Display, OS: Windows98/ME/2000/XP/2003/Vista |