Lights an enameled copper wire. Ensuring low current, as the copper wire is insulated and won't overheat. You can fully enjoy a warm bright dimmable LED lights.Do not worry about electrical problems, the use of power-saving LED enables the light's power consumption to be only one-fifth of that of the in lamp.The wires and LED are IP44 waterproof. It can be used outdoor or indoor.The cork string lights make a great holiday decoration or perfect for Christmas, room decor and Diwali parties. We use high quality materials, craftsmanship, and advanced technology to give you a 100% tested, reliable and aesthetic product.