2), converting the voltage to use soft lights, battery, there was found to be the main component is a copper wire with a plastic cover and other components in small quantities of gold are cadmium and flame retardant .
2) The voltage converter. To use the battery charger The main components are plastic coated copper wire. And other components A small amount of gold, cadmium and flame retardants.
2) inverter voltage to charge the battery. Found is the main ingredient is a copper wire with plastic, and other components. In little; gold, cadmium, and fireproof .