This 1 AA Mini-TAC Pro light uses 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 1 included AA battery. Specifications: Multi-Function: Yes Flashlight Lumens: 120 / 55 / 30 Beam Distance: 70 / 51 / 40 m Candela: 1,227 / 656 / 398 Drop Rating: 2 m Dust/Water Rating: IP-X7 Waterproof Flashlight Runtime: 1.5 / 4 / 6 Strobe Runtime: 2 Switch Function: Single Tail Cap Switch - Momentary or Constant-on Flashlight, High, Medium and Low-Brightness Flashlight, Strobe Length: 4 in (102 mm) Weight: 2.2 oz (62 g) Handle Diameter: 0.6 in (15 mm) Head Diameter: 0.9 in (23 mm) Light Source: LED Case Material: Aircraft-grade 6061-T6 Aluminum w/Type III Hard Anodized Finish Body Color: Black Quantity of Batteries: 1 Power Source: AA Primary Batteries Package Contents: Light, 1 AA battery and Removable pocket clip Warranty: Limited Lifetime