The SureFire E2D Defender Ultra is a tactical flashlight with 1000 lumen maximum output and a range of approximately. 200 meters. Additionally, the lamp can also be operated for up to 63 hours at 5 lumen. The TIR lens produces a uniform, optimized light beam while preserving plenty of ambient light at the same time. The various functions are activated via the tactical switch at the end of the high-strength aluminum housing. The robust housing is equipped with a textured surface structure and is waterproof according to IPX7. The E2D Defender is equipped with a sturdy impact bezel, making it ideal for breaking glass or for self-defense purposes. The SureFire E2D Defender Ultra comes with two CR12323A lithium batteries and can run at maximum output for approximately. operated for 165 minutes. With clip