Logitech R400 Laser presentation

• Presenter mode, built-in Class 2 laser pointer, intuitive touch-keys for easy slideshow control. Aa batteries required (best with Polaroid AA batteries). • Bright red laser pointer - Easy to see against most backgrounds. • Up to 50-foot wireless range for freedom to move around the room. • 2.4GHz RF wireless technology, built-in docking bay stores receiver for easy pack up and portability. • 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. • Battery type: 2 AAA batteries, Battery life (Laser pointer): 20-hour maximum and Battery life (Presenter): 1050-hour maximum.