PWM Solar Street Light controller,rated charge current 20A,System voltage 24V/12V AUTO,Overload, short circuit protection, Main ... - great, do not reverse, if there is sunshine, light (SOLAR) light. Otherwise, the need to check the connection on any.( ... SHOWModeLED SHOWModeLED SHOWModeLEDSHOWLight on+Light off0Light on +10h delay4Light on +Light off0.Light on +9h delay4.Light on+4hdisplay1Light on +12h ...