... control PWM control CE,TUV,ROHS SOLAR WATERPROOF CONTROLLER WITH BUILT-IN LED DRIVER(SDL-SF60W) CharacteristicsControl circuit use MCU and ... will be damaged andneed change, include fuseLEDindication on system condition LED indicating the system of charging, overcharge, power full, powerlow ... , it can be set with three timer and 10%-100%power POWERADJUST built in constantcurrent device ,can adjust power ...