The Nightstick® Adjustable Beam Multi-Function Flashlight uses a CREE® LED rated at 275 lumens that works in conjunction with a TIR lens to create a usable beam distance of 133 meters. This compact flashlight features both momentary and constant-on functionality; user-selectable high, medium or low-brightness settings; and a rotating bezel ring that allows the user to adjust the focus of the beam. The housing and tail-cap are made from aircraft-grade 6061-T6 aluminum and have a Type III hard anodized finish. Power comes from 3 AAA batteries (included). Waterproof; impact- and chemical-resistant. Limited 1-year warranty.