Astro Super Lite. Just switch on our super bright, tough and water-resistant mini flashlight. As small as it is tough and bright--really bright--our Astro Super Lite is made from aircraft grade aluminum, with 6 high-power LEDs inside. Plus, it"s water resistant and hangs anywhere with your choice of the included carabiner clip and lanyard. Super bright. 6 high-power LEDs lastfor more than 100,000 hours. Hangs anywhere. Includes carabiner clip and lanyard--attach to backpacks, keychains, or wear aroundyour neck. Includes 2 button cell batteries.