Key Features Comes complete with two helis and two transmitters, everything you need to fly Simplifly control option makes flying easier Specially designed 5-Channel Battle transmitter Built in Battle Module sends and recieves infrared signals ID System for team play Adjustable firing range evens the odds for newbies and vets Overview The Force helicopter battling system is designed to give you an out of the box air-to-air battling experience. Comes complete with two helicopters, the FHX and the MH-35. The force helis are ultra-lightweight helis perfect for out-maneuvering opponents in tight quarters. the self-stabilizing characteristics and mil-spec gyro stabilization system keep you rock steady and in complete control, even if you’re a Force rookie. Using our built-in battle module to send and receive infra-red signals that are range adjustable, you get to shoot down your opponent in mid-flight. Game play, using a newly designed 5 channel custom transmitter, will focus on the themes in either one v one, or team play mode, like dog fights, target practice, and heli v ground. While in battle, the helis will react to being shot by spinning in place, through a system called VDAS, and eventually being grounded by safely powering down. Needed to Complete Nothing more needed, everything is included in the box.