Fenix hl23 headlamp description rugged aluminum housing and waterproof construction the ip68 rated hl23 adventure proof headlamp is ready for anything you can throw at it armed with a powerful cree xp g2 led this one aa battery powered headlamp provides 150 lumen output with 55 meter beam distance featuring three brightness levels hl23 is a great choice for your nighttime adventures features uses cree xp g2 r5 led with a lifespan of 50 000 hours uses one aa ni mh alkaline b