USB mini projector 1. Method of Projector LCOS (Liquid Crystal on Silicon)2. Panel Size0.44 inches3. Resolution 640x480 Pixel(VGA )4. Luminance10Lumens5. Lamp SourceHigh Power 3W LED6. Lamp life timeOver 20,000hrs7. Screen Size: 14-48 inch8. Contract Ratio 200:19. FocusManual10. InterfaceUSB 2.011. OS: Windows 2000 and above12. Dimension 62.3x38.2x61.7 mm13. Weight140g