Decorative lights and ornamental lamps are designed to create certain effects, designs, atmospheres, or festive moods for religious holidays and observances (e.g. the Christian holiday of Christmas), national holidays and commemorations, particular occasions and personal accomplishments. A myriad of decorative lighting products exist. One of the most common types of decorative lighting are light strings
which can be hung, strung, affixed, or mounted in the indoors and outdoors of residential dwellings, retail stores, hospitality spaces, public buildings, office cubicles, courtyards, city squares and parks. Decorative lights also come in forms of icicles, net lights, battery operated candles, lava lamps
, character lights, tree lights
and laser lights.