1). NOR collective pitch structure make perfect 3D maneuvers such as roll, inverted, and swoop flights.
2). 68#B design of metal tail, metal swash plate and metal rotor head is of legerity, innovation, precise and stability. The autorotation landing system, made of high quality one-way bearing, maximally protects your helicopter from damage .
3). Highly efficient bevel wheel design is used in mesh between main gear and motor gear.
4). 68# series tail blades driven by belt provide easy adjustment, stable flight, and low noise.
5). Outer-rotor motor as the main power is powerful and makes the flight much stable.
6). 7-ch transmitter PCM701 with adjustable PIT parameter, throttle curve, and servo exponential function.