在预定的时间到来时，会产生一个控制信号控制彩灯的流向、间歇等，彩灯流向可以随着电路的改变而改变，并具有自控、手控、流向控制功能等。-At a predetermined time arrived, generates a control signal to control the flow of lights such as intermittent, lights flow can be changed with the change of the circuit, and has the function of automatic control manual flow control, etc