Green laser pointer ,page up and down ,matching receivers which can be built-in flash memory (optional).

Technology:Radio frequency

Funtions:Green laser pointer,page up and down,built in flash memory optional(64MB-16GB)

Contronl distance:15m/49feet.

Laser distance:uo to 1000m

Laser output:<1mw(ClassII),<5mw(ClassIII).

Laser wavelength:532nm.

Material: brass+plastic.

Dimension:16.5*1.5cm

Battery:AAA*2pcs.

USB plug and play,no driver required

Operating system: Windows98,Se,Me,2000,XP,MacOS,Linux,Vista.