... running, scanning & sound function etc New 18color 6 Channel RF Remote Controller with 4-key with sound funtion ... modes, with speed up/down* 4 kind of dual channel jumping, with speed up/downC- key solid color ... , chasing and scanning* 4 kind of all channel chasing, with speed up/down* 4 kind of ... v.youku.com/v_show/id_XNDEyMzA1MDU2.html New 6 Channel RF Remote Controller with 4-key with sound funtion ...