Presenter expert features an intuitive, four-button layout to easily go forward and back on your slides while the other two buttons let you hide your screen and use the green laser pointer. At the touch of a button, highlight any area of your presentation with a green laser that's 10 times brighter than a standard red laser. Plug-and-play, 2.4 GHz wireless connection provides a 150' range to let you roam the room with ease. The presenter delivers secure AES 128-bit encryption for reliable performance through a USB receiver with no driver required. Internal receiver storage offers a convenient place to store your wireless USB receiver so it won't get lost. Specially designed contours make holding the presenter extremely comfortable. Convenient carrying case stores and protects the presenter while on-the-go.