Battery-powered light with THREE super efficient red LED bulbs. TWO CR2025 BATTERIES 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 inches DIAMETER. When using with 24-inch-plus lanterns we recommend 2 or more per lantern for a brighter light. For 30" to 36" lanterns we recommend using 4 to 6 LEDs per lantern.