Outdoor novelty string lights – This lighting function has many advantages. Light strings are versatile and can be used for all occasions. They use small amounts of electricity and are available in many patterns that can be used for decorative reasons. Decorative patio light strings come in many shapes, sizes and colors. They can be placed around the flower pots, trees shrubs and other places. You can also find themed outdoor lights like pumpkin shaped them for Halloween, or take masks shaped ones that offer a Hawaii feeling. Select style depends on the occasion. The only question in the outdoor.