2.4G / 2.4GHz Wireless Presenter R400 50-foot effective range with 2.4 GHz wireless technology RC Laser Pointer Technical SpecificationsBuilt-in slideshow buttons50-foot effective range with 2.4 GHz wireless technologyRed laser pointer with LED indicatorPlug-and-play, no software requiredStorable receiver and carrying caseBattery-power indicatorOn/Off switchSystem RequirementsWindows-based computerWindows® XP, Windows Vista®USB portPackage ContentsWireless Presenter R400Wireless mini-receiver2 AAA batteriesCarrying caseQuick-start guide

2.4G / 2.4GHz Wireless Presenter R400