String Lights: Each string light is 1m long and requires 2 CR2032 batteries (INCLUDED). Batteries with on/off switch are small and compact enough to store discreetly. Batteries can be easily replaced. Safe and energy saving:Copper wire LED lights are low power and insulate heat, remain safe to touch. No glare, the lights are soft and warm to protect your eyes. Easy to shape:With flexible and extra thin but sturdy copper wires, the LED string lights can be easily bent, twisted and molded into any shape you desire. IP65 Waterproof:The string lights are IP65 waterproof and can be used indoors and outdoors without any worry of moisture, damage from bad weather or short circuit. (Only the string lights are waterproof, the battery is not waterproof) Perfect decoration: Ideal for garden, patio, Christmas trees, walls, parties, weddings, Christmas, clubs, birthdays, Halloween, Valentine’s Day and any other celebration festivals. It can also be used in hotels, bars, homes, windows, clubs,