KNORVAY N27 Wireless Presenter, Hyperlink Volume Control Presenter RF 2.4GHz PowerPoint Clicker Presentation Remote Control Laser Pointer (White) Powerpoint Clicker Buttons: Laser pointer has on an On/Off power switch for page up (long press to full screen/Esc full screen) and page down (long press to black screen/Esc black screen) buttons. Besides, the presenter is equipped with a hyperlink function, you can open your hyperlink by clicking the Tab button then the Enter button. Remote Wireless Presenter Supports Software and Applications such as: MS Word, Excel, PowerPoint, ACD See, Website, iWork (Keynote & Numbers & Pages) Google Slides, Prezi, etc Presentation Clicker Supports the following Operating System: Windows 2003, XP, Windows Vista, Windows7, Windows 8 and (above), Mac OS (for MacBook on OS, plug the usb receiver into the laptop and a box will pop up to select 101or 104 option), Linux, Android (On Android, Linux, Mac OS system, it may support only light and page flip functionalities). Control Range up to 328 feet (100 meters): Operates on 2.4G RF frequency that is an ISM free frequency allowing it to be used world-wide used. Produces a bright red laser thats easy to see against almost any background. With 300+ feet of wireless range, you can control your presentation around every corner of the conference room! The Laser Pointer Designs for Convenience and Comfort: No longer have to worry about your laser pointer going out in the middle of your presentation, the low Power Led indicator will flash when the power starts getting low. One-piece design with Silicone push-button with a bumped design making it comfortable to hold. Mini USB receiver stored in wireless transmitter tail so all pieces stay together. Portable to carry and easily plug into your computer's USB port. Click: switch between different hyperlink, the function of Tab in powerpoint. Double click: open the hyperlink, it may be a website, or another file and so on. Press and hold: switch among different opeded window. If for some reason you are not satisfied, we stand behind the quality of our product and will offer a full refund in 3 months. Within 1 year, if your unit breaks or fails to work we will replace it with another new one free of charge.