The Redline flex utilises Flex-Fuel technology, which allows the light to be powered by a single AA battery or a 14500 rechargeable battery (included). The flex Features 4 light modes, including the 450 lumen turbo mode and 250 lumen High mode. the flex also offers a 6x adjustable zoom, a Dual-direction clip and a powerful magnetic base for convenient hands-free lighting. Nebo is one of the world's best-selling lines of innovative, Consumer-friendly flashlights and tools. ever-changing and never compromising, we create and see our Products Through every phase of development. since starting this mission, Nebo has partnered with more than 50, 000 independent retail stores in over 50 countries. innovation is key to both our success and the success of our Dealer network. every day, Product designers and engineers work hard at our home base in Fort worth, Texas to design and engineer new and exciting products that will not only benefit our stores, but also the end-consumer. Nebo has been a household name in LED lighting products For more than 10 years.