LR16R - Professional Wireless Presenter with Powerful Red Laser Pointer integrated into a stylish metal body; A must for Professional Presentations * Selected for a prestigious Industrial Design Award, the Infinite LR16R integrates a 2.4G RF remote controller, detachable USB receiver and laser pointer into a stylish metal pen body. Ergonomically designed it includes a clip for easy carriage. * Three independent buttons enable the following functions: remote control page up, page down with laser pointer to highlight your presentation and training. * Plug-and-play, no software required. It works flawlessly on Mac, Windows. OS supported for Window 8, Windows 7, Vista, XP, OS Mac 9.0 or later. * Powered by two regular AAA batteries the unit can work more than 40 hours. The auto-power-control red laser pointer is powerful and visible but also eye safe and approved by the FDA for safety features. Other brands do not incorporate safety engineering in their laser products and are dangerous to the eye. Be safe and be sure you only use FDA approved products for the safety of you and your family.