The Streamlight PolyTac X USB is a complete rechargeable flashlight system delivering 600 lumens of bright reliable illumination with an integrated USB charging system.Streamlight PolyTac X USB Flashlight600 lumens maximum outputTEN-TAP programmable switch for customized operationMultiple light settings: high medium low and strobeIncludes Streamlight 18650 USB battery with integrated charge portComplete rechargeable system - no separate charger neededPerfect for professional tactical and everyday carry applications where reliable programmable lighting with convenient USB recharging is essential.