... .infared technology 3.OEM RC laser pointer with keychain and LED Model:IR-008R Red Laser Pointer ,Page up /down and ... led torch with keychainOutput power:class11<1mW or class111<5mWUse 3pc ... :630-670nmUSB Plug and play,No driver required.It support Word ,Excel,Powerpoint,ACDSee,Website,Acrobat Reader etcFor teching ,Meeting,Speech ...