1Equipped with device to avoid overcharge, overdischarge, short circuit, overload and reverse connection of solar battery 2Use battery discharge rate characteristics to correct discharge control 3Adopt tandem type PWM main charge circuit to effectively improve charging efficiency 4The LED indicator shows the current situation of the batteries to make the customer get information about the batteries 5Three operation modes can be selected: normal open mode, pure light control mode and light control plus timing mode Description: This item is equipped to avoid overcharge, overdischarge, short circuit, overload and reverse connection of the solar battery. It uses the characteristics of the battery's discharge rate to correct the discharge control. And it uses tandem type PWM main charging circuit to effectively improve charging efficiency. The LED indicator shows the batteries' current situation so that the customer can get information about the batteries. Three operating modes can be selected: normal open mode, pure light control mode and light control plus timing mode. Features: Equipped with device to avoid overcharge, overdischarge, short circuit, overload and reverse connection of solar battery. Use the battery discharge rate characteristics to correct the discharge control. Uses tandem type PWM main charging circuit to effectively improve charging efficiency.The LED indicator shows the current situation of the batteries for the customer to get information about the batteries. Three operating modes can be selected : normally open mode, pure light control mode and light control plus timing mode. Specification: Condition: New design Material: Plastic Black color < span>Voltage: 6V/12V Current: 3A Working temperature: -20 ~ 55 Protection level: IP30 Product size: Approx. 6.9 * 5.4 cm / 2.7 * 2.1 inch Product weight: Approx. 43g Package included: 1 * Solar Charger Controller