This 4.7-inch tactical flashlight is made of aircraft grade aluminum that is light and durable as well as water and impact resistant. It features an adjustable zoom for a wide or focused beam and three separate modes for high low or strobe beam. Cree XPE bulb provides 120 Lumens. 5 hour battery life. 1 AA battery (included). A great gift for men or women who hike or camp or anyone who needs needs higher visibility at night when there is no electricity available. Small enough to easily store or carry anywhere yet big enough to do the job (and not get lost in your pack or bag).