The Streamlight Stinger 2020 Flashlight USB is a high-performance flashlight that produces 2,000 lumens. It features an aluminum alloy body with an anti-roll design, ensuring a secure grip during use. The flashlight is equipped with dual power switches and an intuitive mode selector switch for easy operation.Key FeaturesBattery Pack: Comes with a long-lasting SL-B26 USB rechargeable battery pack.Charging Options: Compatible with existing Stinger smart chargers and bank chargers, allowing for charging inside the light.External Charging: Can be charged outside the light using a dual USB cord or a Li-ion battery bank charger for multiple batteries.