YUXIANG F03 4CH 2.4G 6-Axis Gyro Aircraft Flybarless RC RTF Helicopter Toys. YXZNRC UH60 Black Hawk 6CH Gyro 2.4G 6-axis 3D Flybarless RC RTF Helicopter. RC ERA C138 Bell-206 RC Helicopter 1/33 3D 6CH Gyro Optical Flow Altitude Hold.
eBay