... system 5.CE certificate 50w led wind solar hybrid street light Effsun wind &solar powered streetlight characteristic:1,Comply with national ... economic,pracicability.3,Reliable and durability:under no wind and solar conditions can keep lighting 4days,above 10 hours per ... ,adopting high temperature,cold,wet and so on conditions.9,Control:with battery voltage,controller temperature,charge control.10, ...