JETBeam has always focused on high-performance LED flashlights. Thanks to its excellent performance and outstanding workmanship, it has a stellar reputation and has been widely used in multiple fields, including outdoor activities, military use, law enforcement, industrial lighting, aviation, marine, etc. In some areas, JETBeam has been regarded as one of the leading mid-to-high end flashlight brands and flashlight technology development explorers. The JET-U is a micro keychain flashlight that has a pocket clip for multiple carry options and twist on/brightness level functionality designed for one-handed operation. Body material: aircraft aluminium alloy Battery: One AAA battery (not included) Maximum Output: 135 lumens LED: CREE-XP-G2 Max beam distance to 46 meters, max 518cd Waterproof levels to IPX8 (underwater up to 2 meters) 1 meter impact resistant