Battery Powered and UsedMore Convenient: Powered by 3 AA batteries (1.5V) (not included), full 4.5V, no need to connect to the socket, no extension cord required, can be decorated anywhere, especially in places far away from objects or on the socket, very suitable for Christmas, Christmas trees, garlands, bushes, gardens, etc. Auto TimerTimer function, 6 hours "on" and 18 hours "off" every day. Turn on the timer at 18:00, turn on at 18:00 every day, and turn off at midnight, no need to reset every day. 8 ModesIncluding Combination, Wave, Sequential, Slo Glo, Chase/Flash, Slow Fade, Twinkle/Flash and Steady, giving you a great light show experience and enhancing your festive atmosphere. Waterproof IP65Durable plastic body, waterproof plastic strips, the Christmas lights are effectively rainproof and waterproof. Perfect for indoor and outdoor Christmas decorations, such as Christmas trees, garlands, bushes, gardens, etc. Safety and high quality: only 3 AA batteries are needed, no plug or extension cord is required, which is safer and more convenient. In addition, all products have been tested many times after production, so you can buy with confidence. If you have any questions, you can send us an email and we will reply you within 24 hours.