Check the listing for details. Logitech Professional Presenter R800 Wireless Laser Pointer. Condition: New. Listed at 46.37 USD. Product Details Green Laser Pointer 100 foot range with 2.4GHz wireless technology LCD display with timer, battery-power and reception-level indicators USB connect with Mini Receiver Built-in slideshow buttons Runs on 2 "AAA" batteries (included) 3-year manufacturer's limited warranty (details with product) Included in the Box: Logitech® Professional Presenter R800, Wireless Mini-Receiver, 2 "AAA" Batteries, Carrying Case, Quick-Start Guide Brilliant green laser pointerPowerful and easy to see - even in brightly lit rooms.LCD displayKeep track of time, battery, and wireless reception with a glance or with silent, vibrating alerts. You remain focused on your presentation, not the clock.Up to 100-foot (30-meter) rangeYou’ll 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.Intuitive slideshow controlsButtons are easy to find by touch. And the smooth contours feel great in your hand. You’ll be in control from the first slide to the last.Plug-and-play wireless receiverThere’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.