Mattel RC FLASH FIRE YLW/GRY 27MHZ Multi-channeled technology will be used to provide the ability to race up to four vehicles at once on the same frequency Vehicles will come with a pro-style pistol grip transmitter with a wheel knob for steering Multi-terrain knobby tires, a drive unit with a differential for traction, front and rear oil-filled suspension, full proportional steering -- all coMATCHBOXined with extreme speed