Product Name: USB presenter with flash memory, all in one
Model Number: UT-P130
Product Description
It is very useful for teaching, meeting assorted PC & slide. It is wireless remote control to show the files through computer.

Main Function
1. Laser pointer function;
2. Page up/down function; 
3. Flash memory function (optional)

Specifications:
1) Operating voltage: 4.5V
2) Transmission distance: 15m
3) View angle: 45 degrees
4) Laser wave length: 650nm
5) Receiver modular plug: USB2.0 compliant
6) USB plug, no driver requested
7) Infrared remote control for computer comprehension supports Word,
Excel, PowerPoint, ACDSee, Website, and Acrobat Reader
8) Systems requirement: Windows 98SE / 2000 / ME / XP / Lunix and Mac O

9) Battery: LR44 x 3