Battery Powered: Long lasting battery box requires 3 AAA batteries (not included), 3 AAA batteries can last about 30 hours.
Apply to: Christmas tree lights are specially designed for Thanksgiving or Christmas decoration. , allowing you to enjoy an unforgettable soft and wonderful lighting experience; Great gift for birthday, Thanksgiving, Christmas and any important day decoration. Safe and Convenient: LED Christmas tree lights stand up or roll up easily; This LED string light runs on low voltage and will not overheat after long time use (silver plated copper wire, longer lifespan).