Battery-powered-Halloween string lights are powered by 3 AA batteries (not included) and are not plugged in. Both LED string and battery box have waterproof function. Our IP44 certified waterproof design makes these ideas safe for indoor and outdoor party decoration. You can hang them anywhere you like. < br >Scary and interesting-4 different skull decorations will really decorate your home, corridor, front road, garden or courtyard. Easily add a mysterious and horrible appearance to your home, and make your Halloween night and Christmas more unforgettable. Bring infinite fun to your beloved! < br >8 modes with remote control-combination, wave, sequence, slog, chase/flash, slow fading, flashing and stable opening. Touch the button on the remote control and you will find your favorite lighting mode. Choose your favorite mode for your Halloween Christmas atmosphere. Enjoy your carnival night. < br >Waterproof and durable-IP44 rating means that this Halloween decoration can withstand all weather conditions. The hollow cover is made of environmentally friendly and strong materials, which is not easy to break. LED string is super durable and can be reused. The total length is 10 feet, with 20 LED lights. < br >Perfect gift for Halloween-it will be very interesting when your family receives this Halloween ghost fairy string of lights. Halloween lights are very suitable for Halloween, Christmas, theme parties, carnivals, festivals, celebrations and any holiday decorations.