Solar Powered: Our decorative string lights feature 20/30 LEDs and a high-capacity battery, no external wiring needed. Fully charged in sunlight for continuous illumination. Eco-Friendly & Energy Saving: No wires required. Stores solar energy during the day and automatically turns on at night. These solar mason jar lights can be hung where they absorb sunlight during the day, or used as decorative jars on the floor or table. There is a switch under each cap. Turn it on before charging with solar energy. Romantic Ambiance: Transform ordinary mason jars into enchanting fairy lights, perfect for decorating your apartment. Hang them anywhere, such as patios, gardens, bedrooms, and even suitable for parties, weddings, Christmas, Halloween, Thanksgiving, to create a romantic and warm atmosphere for the family. Waterproof Design: With a waterproof rating (please tighten the lid tightly on the jar), you don't have to worry about hanging it outdoors, perfect for gardens, patios, yards, front doors, Christmas decorations, just hang it wherever you want (recommended in direct sunlight for better charging). Versatile Installation: These solar lights have 2 ways to install. Hang these solar lanterns where they get sunlight during the day, or place the solar lanterns outdoors on the ground or on a table.