Logitech R800 Professional Presenter – (910-001350)

The LCD display with timer lets you manage your time with silent, vibrating alerts and controls that are easy to set and adjust--you'll focus on your presentation, not the clock.
With a range of up to 100 feet (30 meters), you can enjoy the freedom to move around the room and mingle with your audience for greater impact. A reception-level indicator ensures you don't wander too far.
The intuitive slideshow controls help you navigate through your presentation with confidence. Buttons are easy to find by touch. The smooth contours feel great in your hand. You'll be in control from the first slide to the last.