1.Grand aviation aluminum products, use sophisticated computer numerically controlled production CNC 2.military requirements of the hard anodic oxidation flashlight casing, hard, abrasion resistance, corrosion resistance, more durable! 3.The customized interface waterproof seal ring for better products waterproof 4.Exact size and special reflective, LED lighting owns more perfect condenser lighting effects 5.special glass lens 6.High-power LED import brands, life spans 100,000 hours the equivalent of 10 you do not have to use replacement LED bulbs 7.perfect boost circuit design, for the low pressure to completely AA batteries for power LED flashlight made Super 8.Power : one AA batteries 9 on the 5th. Luminous special rubber tail button switch