KNORVAY N36 Laser Pointer, Wireless Presenter Supports Hyperlink RF 2.4GHz PPT Powerpoint Clicker Presentation Remote Control (Black) Presenter remote 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. The TAB and ENTER button on the left side has four function, you can switch hyperlinks by TAB key, then open hyperlink by clicking ENTER key. Long pressing and holding TAB key can help you to switch windows you opened, doing the same with ENTER key can help you to close the current window. Presenter remote 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. The TAB and ENTER button on the left side has four function, you can switch hyperlinks by TAB key, then open hyperlink by clicking ENTER key. Long pressing and holding TAB key can help you to switch windows you opened, doing the same with ENTER key can help you to close the current window. Presentation Remote 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). Presentation Pointer Control Range is Up To 328ft (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 and steady red laser thats easy to see against almost any background. With 300+ feet of long wireless range, you can control your presentation around every corner of your conference room, especially for a large space! Slide Clicker Designs for Convenience and Comfort: The low Power Led indicator will flash when the power starts getting low. One-piece design, the mini USB receiver stored in wireless transmitter tail with a magnet system makes it portable to carry and easily plug into your computer's USB port. A raised bump on the button offers a clear signal to help you perceive the button orientation without thinking. 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.