YXZNRC UH60 Black Hawk 6CH Gyro 2.4G 6-axis Flybarless RC Helicopter 2 Battery. RC ERA C189 (MD500) 4CH Gyro Helicopter 1/28 Optical Flow Positioning Airplane. YUXIANG F07 UH-1 Huey RC Helicopter 1/34 2.4G 6CH Optical Positioning Aircraft.
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