Use indoors and outdoors • Water resistant • Fits any jar with a standard mason jar lid. • Includes a long-life battery, that is easy to replace. • Automatic switch – lights automatically when it’s dark. Great for patio lighting, walkway lighting, garden accents, and more. Use as an adorable night light that illuminates items you add in the jar. Use indoors or out! Solar panel is water resistant. These make beautiful night lights and patio lights. The solar cell charges best when placed in direct sunlight. The battery is included. Be sure to dispose of the nickel metal-hydride battery properly. Find replacement batteries at battery stores. Get creative with what you choose to put in the jar. Jar not included.PLEASE NOTE the system will charge shipping on the dollar value. You will be refunded any overage charged after the order is shipped.