Kimball Midwest Introduces "Portable L.E.D. Signal ' Warning Lights" in Red, Amber, and Blue. These Compact Signal ' Warning Lights measure just 6-1/4" x 4" x 1-1/2" and contain 18 super luminous LED's that have a service life of 100,000 hours - equivalent to 11.4 years of operation. The lights feature both a built-in magnetic backing for attachment to static surfaces, and a built-in, slide-out stanchion type leg to allow the lights to stand upright. Tough and weather resistant, the Portable L.E.D. Signal ' Warning Lights are built with an unbreakable polycarbonate lens for superior durability.