... flash, running, scanning & sound function etc New 18color 6 Channel RF Remote Controller with 4-key with sound funtion it can ... for the motorbike or autocar, It really makes your vehicle cool and amazing, The unction as below :A-key , solid color ... : http://v.youku.com/v_show/id_XNDEyMzA1MDU2.html New 6 Channel RF Remote Controller with 4-key with sound funtion