Wltoys XK K110S 6CH 3D 6G System Single Paddle Brushless RC Helicopter Aircraft. RC ERA C138 PRO RC Helicopter 1/33 6CH 6-Axis Gyro 2.4G Optical Flow Positioning. YUXIANG F07-V RC Helicopter UH-1 6 axis Gyro 6CH 3D Huey Brushless Motor 2.4Ghz.
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