Presenter includes page up and down buttons and built-in laser pointer. Plug and play with no software to install. Simply plug in the USB and your ready to start your presentation Supports PowerPoint, Word, Excel, Web, ACD see, Acrobat reader and more Wireless range: up to 60 feet Wireless Technology: Radio Frequency (RF)Wavelength:630nmoutput power :<1mW (EU standard) or <5mWBattery:1pc 23A (12v)Operating system: Windows 98/2000/XP/Vista/7/8, Mac OS, Linux