This classy light from The Barrel Flashlight Company features a Damasteel body, and a MokuTi ring sleeve, and clip. From the makers site: Barrel Flashlight Co. flashlights are proudly made in USA. Our lights are turned from solid round bar. About 1000 lumens on high depending on LED’s selected Triple LED output with builds with Cree XP-L HI 5K. The “ pill “ that houses the LED’s and driver is machined from solid for optimum performance and heat transfer. Light measures 3.5 inches long and just under 1 inch in diameter. Light runs on an Efest high capacity 700mAh 16340 unprotected button top rechargeable IMR battery. Interchangeable barrel rings, barrels ( inner sleeve), clips, and screws to customize your light and ability to match your EDC. Light is built with one of the most advanced drivers on the market: the fully programmable H17F with battery monitoring. The H17F comes in a very user friendly set default of moonlight, low, medium, and high. Rear “ clicky “ button cycles light through modes. For the avid flashlight hobbyists , a secret hidden mode can be entered to program the light. Light is water resistant. Light tailstands very well. Comes with original packaging, and signed/dated certificate of authenticity dated 06/19. Excellent condition.