Coast 4xd cell 375 lumens 3 mode portable emergency led torchlantern description the coast eal20 led lantern has 9 high quality leds 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 coasts lifetime guarantee against defects in materials and