QUALITY: Lights a enameled copper wire. Ensuring low current as the copper wire is insulated and wont overheat. You can fully enjoy a warm bright dimmable LED lights. POWER SAVING: Do not worry about electrical problems, the use of power-saving LED enables the lights power consumption to be only one-fifth of that of the in lamp. WATERPROOF: The wires and LED are IP44 waterproof. It can be used outdoor or indoor. APPLICATION: The cork string lights lights make a great holiday decoration or perfect for Valentines day, Christmas, room decor and Diwali parties. PACKAGE CONTAINS: 2 pc. 20 LED Wine Bottle Cork [2M/7.2Ft Battery Operated] (Warm White)