FlyWing FW450L V2.5 RC Helicopter RTF 6CH 3D GPS Auto Return w/H1 Flight Control
Simple maintenance, with torsion spring pressure pulley, without tools, can be replaced by hand for one min. Product: FW450L V2.5 RC Helicopter. WLToys K160 RC Helicopter Brushless Motor 2.4GHz 4CH 6-axis Gyro RC RTF Airplane.