Led strong flashlight multi function rechargeable battery 800-100 lumens lifetime of led bulb: 100,000.Led flashlight multi function (adjustable zoom head rotation dimming).USB rechargeable & battery included (18650 3.7V battery).great for travel, camping, hunting, outdoor, indoor home, garage, office, emergency and many other uses"what's in the box?-1X led powered flashlight w/zoom-1x 8800mah 18650 4.2V/9.6Wh battery-1x recharger.