The Logitech™ Cordless 2.4 GHz Presenter™ helps you focus on connecting with your audience, not your computer. Take advantage of its 50-foot range to control your presentations while moving around an auditorium with confidence. A built-in LCD timer with vibration alerts at five and two minutes helps you effectively manage your time. No software is required—just plug it in and it works. The built-in controls for Launch Slideshow, Slide Forward, Slide Back, Black Screen and Volume put the most-needed presentation tools in the palm of your hand. Theres even an integrated laser pointer to help you emphasize your key messages. Total Price LCD timer Easy-set LCD timer gives automatic, inaudible warnings at 5 and 2 minutes remaining. Intuitive controls Launch/End slideshow Slide Forward Slide Back Black screen Volume control Storable 2.4GHz wireless receiver Extended 50-foot range lets you move around with confidence. Total Power Management Battery life of up to six months LCD battery status indicator Convenient On/Off switch for total control Travels anywhere Includes a storable receiver and carrying case. Plug and play No software is required for your Windows-based PC—just plug it in and start enjoying mobile freedom for your presentations.