The Fenix TK11R Rechargeable Tactical Flashlight delivers a powerful 1600-lumen beam that reaches 1378 feet (420m). Dual tail switches provide quick and easy access to three brightness levels and a Strobe mode. This flashlight is powered by an included single 18650 Li-ion battery, or two CR123A batteries can be used as a backup power source. Check on the battery's status with the battery level indicator and recharge the light via the USB Type-C port. Impact-resistant and IP68-rated dust/waterproof round out the features that make the TK11R an affordable tactical performer.