model r/c helicopter

1) NOR collective pitch structure make prefect 3D maneuvers such as roll,inverted,andswoop flights.2) The autorotation landing system,made of high quality one-way bearing.maximallyprotects your helicopter from damage.3) Tail blades driven by belt provide easy adjustment,stable flight,and low noise.4) 380 motor as the main power is powerful and makes the flight much stable5) Three-cell LiPo at 11.1V 1200mAh offers up to 6-7 minute flight6)7-channel transmitter PCM701 with adjustable PIT parameter,throttle curve,and servoexponential function