Battery-powered light with ONE super efficient white LED bulb. Recommended for lanterns up to 14-inch diameter. Two replaceable CR2025 battery included, lasts 20+ hours. Compare to other LED lights which use expensive and bulky regular batteries, which are not included. This is the most efficient and compact LED light on the market. Features an On/Off switch and a 10-inch flexible cord for hanging. Illuminates all of our smaller lanterns, 14 inches and smaller. While these battery-operated LED lights are not intended to provide the primary lighting for an event, they are perfect for convenient, decorative accent lighting!