Make sure your presentations are as professional as can be with this Rechargeable Multimedia Green Laser Presenter with LCD Display from Monoprice. With this Wireless Presenter, you don't need to stand beside your computer or have an additional person click the next slide for you. You don't even need to aim it at a remote control receiver. A 2.4GHz USB dongle is used as the receiver for the presenter. You can control a presentation wirelessly from up to 160 feet away indoors. The wireless presenter is equipped with not only a laser pointer, but 5 buttons programmed for navigating through a slideshow or presentation. The LCD display can be programmed to display a clock and timer. So that you can keep track of the amount of time you are spending on your presentation. Using the time the presenter will vibrate at specific intervals. It is compatible with most presentation applications, including Microsoft PowerPoint and Apple Keynote This is a plug play device and no additional software is needed. The presenter recharges with a Micro-USB cable and the rechargeable battery is built-in. Microsoft and PowerPoint are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Apple and Keynote are trademarks of Apple Inc., registered in the U.S. and other countries.