This Nightstick Non-Rechargeable Mini-TAC Pro light uses a CREE LED and has a deep parabolic reflector creating a tight, long throw beam for distance illumination. With a waterproof design, it is constructed from aircraft-grade 6061-T6 aluminum with a Type III hard anodized finish. The tail switch provides momentary or constant-on functionality, a set of user-selectable high, medium or low-brightness settings as well as a disorienting strobe. The light comes with a removable pocket clip and is powered by two included AA batteries. CREE LED technology ��� 50,000+ hours LED Momentary or constant-on, plus 3 user-selectable brightness settings plus strobe Sharp focused flashlight beam Aircraft-grade 6061-T6 aluminum housing Type 3 hard anodized finish Impact & chemical resistant