The Cyclops Hi Output LED Flashlight with Strobe has 3 modes: 100% / 75% / Strobe. It has a burn time of 9 hours on High, and 37 hours on Low. It is made of aviation grade anodized aluminum, and has a rear tactical switch making it easy to turn on and off. There is a color ring that can be used for an emergency blinker. This powerful flashlight has 80 Lumens of light output, with a bean distance of 300 feet. Powered by 3 AAA batteries that are included.