A single AA battery is all you need for this everyday carry light to emit an impressive 130 lumens. Constructed of machined aircraft grade aluminum, the weatherproof NRA Tactical 130T incorporates a bright white CREE LED bulb. The adjustable pull zoom head provides flood to spot light operation and three modes (high, low, strobe) will cover all your tactical tasks. The 1” diameter allows for easy mounting on most firearms. 1 AA battery included. Includes manufacturer’s lifetime warranty. Colors: Black, Pink.