Currently used by the United States Air Force, this unique light attaches to a 9 Volt battery, and that's it! Available in five different colors. Runs 600 hours on low and 75 hours on high. Includes a 9 Volt battery, meets mil-specs and is made in the USA.
Notes:(from the manufacturer)
Gold plated contacts inside switch means it is both super durable and submersible. Rated at 100,000 switch cycles
LEDs are rated at 100,000 hours of run time
Meets mil-specs, currently used by the US Air Force
Made in USA