... Metal 4CH RC Helicopter with Gyro--F163! Long time fly of 8 minutes! Anti-throw, hovering, drift! Good quality ... of CE! KF Metal 4CH RC Helicopter with Gyro--F163!Long ... Good quality of CE, ASTM, ROHS!Function of drift, speed up, hovering in sky, sidefly!Packing ... right, speed up, hovering in sky, drift, sidefly KF Metal 4CH RC Helicopter with Gyro--F163!