Technology:radio frequency
Functions:laser pointer,page up and down,wireless mouse,clock,
          hotkeys,matching receivers which can be built in flash
          memory optional(64MB-16GB)
Control distance:8m/26feet
Laser distance:200m
Laser output:<1mw(class ll),<5mw(class lll)
Laser wavelength:650nm
Material:plastic
Transmitter size:12*3.0*1.3cm
Battery:AAA*2pcs
USB plug and play,no drive required
Operating system:windows98,se,me,2000,xp,macos,linux,vista