The TerraLUX InfiniStar™ CR takes the game to the next level, with a modular flashlight design. Never again will you pay good money for a flashlight, only to have it become obsolete due to new LED technololgy. As LED technology improves, users will be able to upgrade their light engine in their flashlight if they own an InfiniStar CR from TerraLUX. The InfiniStar gives you up to a 300 lumen output with over a 2hr runtime with one charge.