The Coast EAL20 LED Lantern has 9 high-quality LED's which provide incredible brightness and energy efficiency, giving you up to 100 hours of runtime on one set of (4) D cell batteries (not included). Choose between flashing red, solid red, area light, and energy saving modes; or select your preferred light level with the built-in dimming switch. Backed by Coast's lifetime guarantee against defects in materials and workmanship.