<p>Take full control of your next presentation at work or school with the <b>Wireless Presenter R400</b> by <b>Logitech</b>; it offers precise, wireless slideshow control, at an affordable price.</p><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Presenter mode,built in class 2 laser pointer, intuitive touch keys for easy slideshow control; AA batteries required (best with Polaroid AA batteries)</span></li><li><span class="a-list-item">Bright red laser pointer: Easy to see against most backgrounds</span></li><li><span class="a-list-item">Up to 50 foot wireless range for freedom to move around the room</span></li><li><span class="a-list-item">2.4 GHz RF wireless technology, built in docking bay stores receiver for easy pack up and portability</span></li><li><span class="a-list-item">There’s no software to install: Just plug the receiver into a USB port to begin: And when the show is over, you can store the receiver in the presenter</span></li></ul>