Product details:

1. Technology: Radio frequency

2. Function: Red laser  page up/down

3. Laser distance: >200m

4. Wavelength: 630-670 nm

5. laser outpower: classII<1mW or classIII<5mW

6. USB plug, without any drive

7. Battery: 1 pcs AAA

8. Operate systems: windows98/2000/7/XP/Me, Mac OS, Vista, Linux, etc

9. It support Word, Excel, Powerpoint, ACDsee, Jpg, Pdf, Website. etc

10. Can silkscreen customer's logo