The Perfect Tool for Presenters and Educators! The Pro Presenter frees you from your keyboard during a presentation or lecture. With RF, laser, mouse and audio controls in one sleek remote, it is an ideal tool for presenters and lecturers. Offering a range of more than 100 feet the Pro Presenter covers large meeting rooms and lecture halls -- far outdistancing other remotes in its price range. There is no software to install. just plug the receiver into the USB port on your PC or Mac and it works within seconds. Features RF Connectivity: The powerful 2.4 Ghz RF signal has a range of 100 feet and works through walls and furniture. Mouse Control: Provides cursor control, scrolling and two-button mouse capabilities. Laser Pointer: Highlight key points in your presentation with ease. Volume Control: Adjust sound volume with the push of a button. Hide Slide: Darkens the screen anytime that you want to have the audience focus on you. Receiver: RF receiver stores in the remote when not in use. Pop in and out with a simple push of your fi nger. On/Off Switch: Ensures that batteries are not accidentally run down when carrying the Presenter in a laptop bag. AAA batteries: Provide long ife and are easy to purchase when replacement batteries are needed.