Main Functions:
* Laser pointing
* Page up and down
* with USB flash memory, ranging from 0-4G
* receiver and transmitter together, 2 in 1

Technological Features:
* Technology: RF, 2. 4GHz
* Power: less than 5mw
* Laser wave: 650nm
* Laser range: more than 800 meters
* Remote distance: 10 meters
* USB interface: USB 2. 0, plug & play, no software downloads & driver installation required
* Operating system: windows98/winME/2000/2003/XP/VISTA/Linus& Macos
Size and Packaging:
*13*1.6*1.8cm
* Fine box
* One AAA battery