Description:Intuitive touch-keys for easy slideshow controlBright red laser pointer makes it easy to see exactly what you're pointing toUp to 50-foot wireless range for freedom to move around the roomPlug-and-play convenience with no software installation required2.4 GHz wireless USB receiver stores inside the presenter for easy pack upCome with carrying pouch and English/Chinese/Korean user manualOperating system: windows98/winME/2000/2003/XP/VISTA/win 7 Linus & Macosmaximum output: 5mW Package Included:1xRed Laser Pointer PresenterPlease Note : This items send out without retail Package