*Wireless laser point with remote page up/down function.

 sustain all kinds of file with showing,website,browsing

*Usb 1.1/2.0 connection,plug & play, no software downloads and driver installation

*Light Weight & pocket size shape design

*RF bandwidth:315MHz 433Mhz

*Remote Control over 20 meters

*Supported Operation syser: windows98/2000/2003/m3/xp/vista/linus Macos

*Powered by One AAA battery with burn time over 6 hours

*Built in Flash Memory Optional: 128/256/512mb/1-8g