Product Details: Solar energy, no additional energy costs. Has on/off and one mode switch. Waterproof, very suitable for indoor and outdoor use. Fix it on walls, windows, doors, floors, lawns, fifth lawns, and Christmas trees to bring the perfect atmosphere. With light sensor - transparent light string is sensitive to the sun. It automatically switches itself to insulation and turns it off during the day. Environmental protection Ideal for decorative lighting in gardens, Christmas trees, lawns,