Intuitive four-button layout lets you easily navigate forward and back within your PowerPoint or Keynote slides, while the other two buttons let you hide your screen and play a PowerPoint slideshow. The laser-free design is an ideal solution for locations where laser devices are not permitted. Roam the room with ease during your presentation. Plug-and-play 2.4GHz wireless connection with 20m delivers secure, reliable performance through a compact USB nano receiver. No driver required. Government-grade AES 128-bit encryption protects sensitive data from potential hackers. Battery compartment also provides a handy internal storage space for the wireless USB nano receiver when not in use. Each receiver and presenter are uniquely paired to prevent interference. On/off switch lets you turn the presenter off to conserve battery power when not in use. Present like a pro with the Wireless Presenter. Designed for professionals, this remote allows you to focus on making an effective presentation