Here’s everything you need to give a great presentation right down to the presentation itself. The Kensington Wireless Presenter with Laser Pointer and Memory features a dongle with 4 GB of built-in memory. The wireless presenter can store hundreds of presentations and it feels great in the palm of your hand. The 2.4GHz wireless receiver has a range of up to 30 feet and with Plug & Play installation you can get right to your presentation without the need for special software or drivers. – Easy-to-use 4-button controls – Professional high gloss black finish – PC and Mac? compatible – Built-in laser pointer helps you highlight key points – 2.4GHz wireless receiver for long-range use up to 30ft – 4GB built-in memory to store your presentations – Plug & Play operation – USB wireless receiver stores inside – Includes 2 AAA batteries and low-battery indicator – USB receiver deactivates battery when inserted into presenter for storage preventing accidental battery drain – Battery indicator light warns when battery power is low