Battery Operated Fairy Lights 1 m with 10 Warm White LEDs, Pack of 20 Units. Ideal for table decoration, bedroom, wedding, party, Christmas and New Year. The Cord is made of ultra-soft flexible copper wire with good ductility, you can change its shape as you like. It can be installed in the living room, bedroom, hallway, stairwell, Christmas trees, children's tent, garden, library and other places where you want to decorate. The String lights are small and lightweight, easy to carry and place the string lights wherever you want. However, the battery case is not waterproof, please keep it away from water to extend the life of the light chain. They are powered by two CR2032 button batteries (included). Equipped with an on/off switch. The string lights are powered by a battery, with the small battery compartment and allows you to use it regardless of the socket. Batteries can be easily replaced. Heat insulated and low power consumption copper wire can prevent them from overheating after use, so you can touch them safely even after long time use.