The PolyTac X USB is a complete rechargeable system that includes Streamlight's new 18650 USB battery with an integrated USB charge port. This flashlight offers versatile illumination for various tasks and environments.Key FeaturesRechargeable System: Comes with an integrated USB charge port for convenient recharging.Model: The Polytac X is designed for functionality and ease of use.Color: Finished in coyote color for a tactical appearance.