The WIDE RF Wireless Mouse Presenter combines the features of the Presentation Controller, wireless mouse and red laser pointer into one ergonomic device. With WIDE RF Presenter, you don't need to stand beside your notebook PC or have an additional person to assist you. Excellent 2.4 GHz RF technologies enable the user to control the presentation wirelessly up to 100 feet (30 meters) away indoors. It's a USB plug-and-play device with no additional software required. The automatic laser beam safety switch provides protection against unintentional laser beam into human eyes.