Detailed Product Description Specifications:1.Technology:Radio Frequency. Battery:AAAX12.Material:Plastic3.Functions:a.laser pointer.Laser wavelength:650nm.Laser power output:<5MWb.Page up/down functions.Support Excel,Word,Powerpoint,Website,ACDsee and so on.4.Operation system:windows98/2000/2003/XP/Vista.Linus&Mac5.Customized logo printing and packaging services.6.Can bulit-in flash memory.(64MB ...