Card Reader     SmartCombo Series     EasySIM Series     ExtreMe Series   Hub     SmartCombo Series1     ExtreMe Series   Mouse     ExtreMe Series   Earphone     BestCom Series     ExtreMe Series   Laser Presenter   Keyboard   Accessory               Home > Products > Laser Presenter Series > PE-300       PE-300 EasyWork Laser Presenter Full-featured remotes let " Briefing " highlight without losing focus on audience !!   Laser pointer Page up/Page down Esc key Screen black Wireless mouse Media player control key function Volume key function USB 2.0 connection, plug & play, no software downloads & driver installation required Operation distance up to 15 meters     Specifications Infra-red transmission:38Khz Interface:USB 2.0 OS supported:Windows 98/ME/2000/XP/ win 7, Mac OS 9.0 above Laser Wavelength:630~670nm Output power:CLIIIa, <5mW CLII, <1mW Power:AAA 1.5 battery x1 Battery burn time:6 hours Dimensions:16.5(L)x2.3(W)x1.5(H)cm Weight:46g(incl. battery)