A revolution in flight training. The Hoverfly is a completely new hovering machine. Fly for hours at a time with no fear of crashing. The Hoverfly is the perfect machine for beginners or advanced flyers alike. The Hoverfly comes ready to fly so the fun begins as soon as you get it. Plug the cord to your standard 4 channel radio transmitter and fly for as long as you want. All cyclic and rudder controls are identical to the larger scale RC Helicopters so once you master the Hoverfly, you’ve mastered RC Heli flight. And if this wasn’t enough, the Hoverfly also comes standard with a PC CD-Rom simulator so you can begin your practice lessons on your personal computer. The simulator interfaces with the same radio transmitter so you will naturally improve your coordination skills. So choose between the Interface version if already have a radio transmitter and would like to use it to fly yout Hover Fly or get the Commander Version for a complete standalone package ... See Below !!!