BRIGHT RED LIGHT: Wireless clicker for PowerPoint presentations, easy to see against most backgrounds, can be used to highlight key parts of a presentation PLUG & PLAY MULTIFUNCTIONAL: Presentation clicker combines the functions of hyperlink, switch windows, page up, page down, full screen, black screen. Plug & Play, no need to install software (For Mac, may requires simple set-up) Perfect Tool and Gift : The presentation clicker will be the perfect tool for your presentation, teaching and meeting, and it will be the best gift for your friends or family. Power by 1* AAA battery.High compatibility: Demonstration remote control can support systems: Windows/XP/Vista/7/8/10, Mac OS, Linux, Android. The software supported by the wireless presentation clicker are: PowerPoint/Keynote/Prezi/Word/Excle/ACD See/iWork.100 FT Long Control Range: Wireless Presenter remote is equipped with top-grade microchip to ensure a real 100M/328FT long control distance, Red light range: 200M/656FT. Power point presentation clickers produces a bright red light that's easy to see against most background.