The 4 channel coaxial helicopters also known as dual rotor or counter rotating helicopters are the easiest helicopters to fly. The counter rotating blades offers incredible stability in the air and makes them perfect for beginners and lots of fun for experienced users too. The 4 channels means the helicopter can go Up/Down (Channel 1), Left/Right (Channel 2), Forward/Back (Channel 3), and Left/Right Aileron/Roll (Channel 4). |