Detailed Product Description remote contol laser pointer, wireless presenter,Powerpoint presenterSize:119*19*15mmMaterial: PlasticBatteries: 2 pcs AAAFunction:red laser pointer,page up and down, optional:flash memory availableControl distance: over 15mTechnology:IRSystem: windows98/2000/ME/XP/LinuxBe used under : word ,excel,powerpoint. ACDsee, Acrobat readerCertificate:CE&ROHS