... printing or engraved 3.CE&ROHS Wireless Laser Presenter with USB,laser presentation remote,wireless laser pointerItem No.SRC35ATechnology:Radio ... :<1mw(Class II),<5mw (Class III) .Laser wavelength:650nm .Usb plug and play .no drive required .Dimension:13.5*1 ... Vista ,MacOS ,LinuxCan silkscreen customer logos..Plug and play,no driver required. Operating systems:Windows98,Se,Me,Xp ,2000,Vista ,MacOS ...