Battery-Operated & More convenientPowered by 3*AA batteries 1.5V(Not Included), totally 4.5 V, do not have to plug it into an outlet, no need extension cord, and can decorate it anywhere, especially suit for place or object that away from socket, perfect for christmas, christmas trees, wreath, bushes, garden etc. Automatically Timer Timer function, 6 hours "turn on" and 18 hours "turn off" per day. If you set the timer turning on at 6 o'clock in the evening, then it will turn on at 6 o'clock in the evening, and turn off at 12 o'clock in the midnight, everyday, no need to reset it everyday. 8 ModesIncludes combination, in wave, sequential, slo glo, chasing/flash, slow fade, twinkle/flash, and steady on, giving you a impressed experience of lights show, enhancing your holiday atmosphere. IP65 Waterproof Sturdy plastic housing, waterproof plastic strip, enable the christmas lights to prevent rain and water from entering effectively. Perfect for indoors and outdoors christmas decoration, such as christmas trees, wreath, bushes, garden etc. Safety & High QualityJust need 3*AA batteries, no need socket and extension cord, much safer and convenient. Besides, all products have been examinated for many times after produced, you can purchase it confidently. If any problem, you can email us and we will respond within 24hours.