If you're after a piece of kit to take the agro out of performing presentations, take a closer look at the Kensington Si600 Wireless Presenter. There are no cables and wires involved, and because the design is so compact, you can slip the Si-600 right into the palm of your hand. Switching the device on or off is a doddle too via its special camouflaged dongle.You can control the Kensington Si600 Wireless Presenter from up to 50 feet from the projection area. Using this nifty gadget, there'll be no tripping up over wires when you're presenting. Say goodbye to those embarrassing moments once and for all.