The Krill Light electronic electroluminescent (EL) lightstick originated form the need for a less wasteful, more efficient replacement to chemical lightsticks. Krill Lights were put into production and the U.S. Military immediately saw the value in these marking and lighting tools. Today, the Krill Light is available in three sizes with various lighting options and colors including infra-red and strobing versions. With over 450,000 units sold, the Krill Lights are an indispensable tool for both outdoor enthusiasts and safety-minded. Krill lighting products have a one year limited warranty.