Wltoys K127 Helicopter 2.4G 4CH 6-Aixs Gyroscope Hover RC Helicopter RTF ToyWltoys K127 Helicopter 2. 4G 4CH 6 Aixs Gyroscope Hover RC Helicopter RTF Toy Features: 1. Aileron less Design: using aerodynamic principle to design blades, providing strong power and body self stability. Simple 4 channel design, using 6 axis gyroscope, with the function of air pressure height, super stable flight; It has the functions of one button take off and one button landing, which makes the product easier to operate and more suitable for