C129 V2 4CH Flybarless Micro RC Helicopter W/ 6-Axis Gyro And Altitude Control - RTFC129V2 2. 4GHz RC Helicopter 6 axis Gyroscope PRO Helicopter Single Paddle Without Ailerons Remote Aircraft RC Toy Main Function: 1. No aileron design. The propeller is designed according to the aerodynamic principle to provide strong power and airframe self stability. Simple 4 channel design, using 6 axis gyroscope for ultra stable flight; 2. The barometer is set high and flies stably; 3 The first 4 channel aileron free 360 roll mode makes flying