Made by high quality 6061T CNC aluminum with matted black finish._x000D_ Lifetime-above 10,000hrs_x000D_ Durable aluminum reflector._x000D_ O-ring sealed on both ends for water resistant._x000D_ Waterproof, it's water-resistant! Use it in rainy day, no problem!_x000D_ Tactical head design._x000D_ One Mode_x000D_ ON/OFF button at bottom cap._x000D_ Bulb: CREE Q5 LED, 270 lumens output(Max)_x000D_ Battery : 1x18650(Not included)_x000D_ Size: 14.5cm(Length)x4.5cm(Head Dia.)x2.5(Body Dia.) (approx)._x000D_ Net Weight: 140g (approx.)_x000D_ _x000D_ Package contents:_x000D_ 1 x UltraFire CREE Q5 Flashlight（Battery not included）1 x Strap