easy control , funny for playing 2.4GHz 5CH Model No.: ... in one controller, owning five functions of 2.4GHZ receiver, electron speed regulator,locking type gyro ... 6.Nine Eagle’s patent of the easily plug batteries, making your operating more convenient. 7.Standard remote control system of 2.4GHz ... Mode 2,making your communication with people of the same hobby more convenient. 2.4G 4CH battle helicopter