Technology:infrared
Control distance:25m
Dimension:121*25*20.5mm
Battery:AAA*2
Functions:Laser pointer, page up/down, blank-in flash memory optional
USB Plug-and-play,no driver required.
Operation system: Windows98/2000/2003/ME/XP/Linu&Macos
Packing:40pcs/40*36*27cm/10.3kgs