1.Solar Powered & Auto ON Sensor : No cable.No AC power.Solar mercury glass lights are easy to assemble and use.Store energy from sun rays during the day and turn on automatically at night.Illuminates for up to 8 hours on a full charge.2.Glass look: Made of high quality glass.Unique coating improves reflection so that the glass vessel looks transparent when the solar lamps light up.3.Perfect Indoor and Outdoor Decoration: Easily movable and portable solar mason jars, ideal home decoration, patio decoration and an ornament for table and bookshelf.2 ways to install these solar decor lights, hang them or place them on a flat surface.4.Ideal gift :20 led string lights in a jar like many fireflies in the jar, make a magical atmosphere. These mason jar lights can be presented in many ways, is good for indoor and outdoor decoration, can use it in wedding, birthdays, holidays,Christmas, garden, yard path can be used.or it on tables, shelves, or hang the trees, or rustic mason jar wall sconces.it also a great gift for your lovers5.Weatherproof: Designed to survive sunny days, rainy nights and small snow days.