Teaching Laser Presenter 1.Multifunctional presenter 2.Convenient for teaching Wireless USB Laser Pointer PresenterDescription & Features:• Laser pointer & page up/down function.• USB plug. No driver requested.• Control distance: about 15m.• System: Windows 98/2000/ME/XP/Linux&Mac OS.• It supports Word, Excel, PowerPoint, ACDsee, Websites, Acrobat Reader etc.• Maximum output power <2mWHow to use ...