ViewSonics ViewPen 100 is more than just a laser pointer. It allows you to control, modify and enhance your presentations from a distance. With the control pen, you can also advance or reverse through presentation slides as you would with a remote control. Highlight important points on the screen. Change the width of the lines. Change the pens color. You can even save the changes you make to the presentation. Wherever you point the laser pointer, your mouse follows. Control all your PC mouse functions from the back of the room with the laser. Connect the ViewPen sensor to your computer via a USB connection, complete the easy, one-step synchronization and youre on your way to dynamic presentations.