Function: Laser pointer, page up/down, mouse, blank screen, play slide, Esc
Feature: Technology: Radio Frequency / RF
Control Distance: Up to 15m
Laser distance: Up to 200m
Working voltage: 3V
Sleep current: 1uA
Wavelength: 630-670nm
Max output:<1mW or<5mW
Battery: CR2032X1
Dimension: L=8.7cm, W=3.2cm, T=0.8cm
Operating system: Windows 98, Se, Me, 2000, XP, Mac OS, Linux
USB Plug-and-play, no driver required
Built-in flash memory is optional(No memory/64/128/256/512M/1G/2G)