LED string lights of PVC soft wire with battery operation for christmas decoration 1. 35L LED string lights with PVC soft wire, operated by 3AA battery, 20cm light space, the first light to the battery box is 50cm. 3. the products can be applied for decoration of trees, home, hotel, restaurant, supermarket, festival , christmas day and so on. 4.the item has CE, ROHS, GS approval