HUACAM DGF-22 RF 2.4GHz Wireless USB PowerPoint PPT Presenter Remote Control Wireless Presentation Presenter Mouse with Pointer LED Light Environmentally friendly ABS plastics; A plug-and-play wireless receiver; Wireless Technology: 2.4 GHz; Battery Not Included Buttons: laser pointer, display of black screen, next, previous, full screen, on/off switch; One-touch keys easy to control slideshow Support options: Supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) etc Wireless freedom - long distance of 2.4 GHz wireless technology can be around 15 meters remote control Ultra-portable - Storage Slim USB wireless receiver is very easy to carry Environmentally friendly ABS plastics; A plug-and-play wireless receiver; Wireless Technology: 2.4 GHz; Battery Not Included Support options: Supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) etc Wireless freedom - long distance of 2.4 GHz wireless technology can be around 15 meters remote control Ultra-portable - Storage Slim USB wireless receiver is very easy to carry