RF Wireless Red Laser Pointer 5mw With Page Up/Down Presentation Function Red Laser Pointer and Product Size is 12.12.51.45cm Battery: 2 x AAA SANOXY USB Wireless Remote Pointer Control PowerPoint Presentation presenter with Laser Pointer, functions as a remote control, a laser pointer . Easy Microsoft PowerPoint presentations for - TEACHERS - STUDENTS - COLLEGES-REALTORS - BUSINESS PROFESSIONALS - SALES EXECUTIVES-SPORT MANAGEMENT ETC. USB plug-and-play. No driver required. System: WINDOWS98/2000/ME/XP Linux & Mac OS Easy to carry; The transmitter and receiver are integrated into one unit for easy carry! It is USB plug-and-play. No driver required.