1. Remote technology: Radio Frequency technology;
2. USB plug and play! Laser pointer& page up/down function; No driver requested; USB1.1 & 2.0.
3. Control distance: Over 25m;
4. It supports WINDOWS98/2000/ME/XP system. The files are able to be browsed under the Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader, etc;
5. Laser distance: Over 800m
6. Mini design! It is very convenient to take around when you have a meeting or teaching.
7. Appearance: Cupreous tube with high grade rubber paint.
8. To play by hot key function.
9. Presenter size: length: 11.7CM;  Diameter: 1.7CM
10. Can built in flash memory from 1GB - 8GB.