* Techbology :Radio Frequency

* Function: Laser pointer,page up and down,wireless mouse,blank screen and full screen,ESC,built in flash memory optional.

* Control distance:15m

* Laser distance:200m

* Laser output:<1mw(classII),<5mw(classIII)

* Laser wavelength:650nm

* Trabsmitter size:8.7*3.2*0.8cm  

* Battery:CR2032*1pcs

USB plug and play,no drive required.

Operating system:Windows 98,Se,Me,2000,XP,MacOS,Linux,Vista.