1. The body of this flashlight is built of high quality aluminum alloy, and it has a very solid construction 2. Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent 3. Excellent waterproof, suitable for outdoor environment, adverse weather conditions except for diving 4. Suitable for Self Safety, hunting, cycling, climbing, camping and outdoor activity etc. 5. Focus function that allow the beam can be focused. 6. Crenellated strike bezel for enhanced self-defense 7. SuperBright, blinding Effect 8. Convenience carry