Great output XPE-Q5 LED bulb producing an intense beam of bright light, output brightness up to 300 Lumen ( Max ) Super small portable flash light, light weight, small enough to fit in/clip on your pocket, handbag, belt and purse. ( 3.7 inches L x 0.83 inches W ) 3 Modes brightness switched by button, bright / dim / strobe. Powered by 1x AA battery or 1* 14500 battery ( not included ) Adjustable focus light, with easy slide action to adjustable beam focus for long distance observation or large area illumination Water Resistance ( IPX6 ). Solid Aluminum body casing resists rust and corrosion, which makes them very convenient for camping, car, cycling, hiking, power failure, tool drawer, BBQ, etc. Great for Christmas gifts.