Presentation laser pointer 1.with 1PC AAA battery 2.can be built in ... great tool for PowerPoint Presentation.It works as a laser pointer, a remote, a portable storage device(optional).It contains two ... 98, Se, Me, 2000, XP, Mac OS, Linux , Windows vista, II. SetupPlug the receiver into the USB port on your PC ... light or other safety hazards. V103 PowerPoint wireless presentation laser pointer