Battery-powered light with THREE super efficient red LED bulbs. TWO REPLACEABLE CR2025 BATTERY INCLUDED, lasts 12+ 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 LANTERNS UP TO 36" DIAMETER. When using with 24-inch-plus lanterns, 2 can be used for a brighter light.