YXZNRC EC135 RC Helicopter 6-axis Gyro 2.4G 6CH 1:36 Flybarless Brushless Motor. YXZNRC UH60 Black Hawk RC Helicopter with 6-axis Gyro 2.4G 6CH Flybarless 3D. RC ERA Bell-206 RC Helicopter 1:33 C138 6CH 6-axis Gyro Optical Flow Positioning.
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