K127 RC Helicopter – 4CH Coreless Motor Drone with Altitude Hold & One-Key FlighK127 4CH RC Helicopter with Altitude Hold, Aileron Free Design, and 2. 4GHz Control Helicopter practice feels less intimidating when hovering support and stable control are built in from the start. The K127 combines 4 channel control, altitude hold, an air pressure sensor, a 6 axis gyroscope, and an aileron free design to make basic hovering and directional flying easier to learn. Its best role is hands on RC helicopter practice: compact enough for