Dinofire Wireless Presenter with Green Light, Rechargeable PowerPoint Clicker Presentation Presenter Remote Laser Pointer, Support Hyperlink Wireless Technology: 2.4 GHz; Rechargeable presenter includes 360mAh Lithium Battery; Powerpoint presenter up to 98-foot wireless range, free to move around the room Green laser pointer that against background Screen very easily; It combines the functions of a green light, page up, page down, play slides, black screen for PowerPoint presentation; Through Tab and Enter button, the wireless presenter supports hyper link in the PowerPoint; Through Tab to switch window Slideshow clicker supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) Google Slides Support options: Windows 2003, XP, Windows Vista, Windows7, Windows 8, Mac OS (For MacBook on OS X, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option), Linux, Android Green laser pointer presenter has low power indicate; One-piece design computer clicker, USB stays secured into wireless transmitter tail with a magnet system, theres no software to install; 3 YEAR WARRANTY & FREE USB DONGLE IF LOST WITHIN 2 YEARS