Material and treatment: Aviation aluminum CNC shell, HA TypeIII anode hardening treatment, conductive oxidation treatment on the inner surface. Lamp holder: LED with lens Lens: Optical tempered lens with 95% light transmittance Waterproof level: IPX-6 level above 5m Function mode: constant light / flashing (switchable) Demonstration of switching between constant light and flashing function, hold the rotating ring on the head of the flashlight, push forward and then rotate to restore the position to adjust the switching between functions Switch mode: dual control (mouse tail wire control / button switch control on the tail cover) Battery: CR123A X 2 (this product does not include batteries) Battery installation: The two sections are placed in the direction of the flashlight head in order, regardless of the product introduction, and the lamp head is burned out by placing it upside down. All losses are borne by the customer! (You can choose to unscrew the tail cap of the torch and put it in order, or you can choose to unscrew the whole head of the torch and put it in order, depending on how you get it! Attention: some customers who want to buy rechargeable batteries by themselves pay attention! The CR123A / 16340 rechargeable battery used in this product cannot exceed 3.7V per cell. If it exceeds 3.7V, the bulb will be burned. The consequences are at your own risk, and all losses are borne by the customer! Accessories: M952V body (including special quick release fixture) + mouse tail control + adhesive Velcro The noisy reflective surface of the condenser cup forms a soft spot, and the precise reflection angle designed by professional optical design software creates a perfect condensing and irradiation distance. Each part of the barrel is precisely machined by special aviation aluminum alloy with light weight and high strength. HA TypeIII (Military Grade III) hard anodized surface treatment-a high-hardness outer surface coating with a thickness of 35?m and a Webster hardness above 600HV. The inside is treated with conductive anode to reduce resistance. Use optical colorless tempered lens, light transmittance 95%, thickness 2mm, impact resistance and scratch resistance, 2M free fall without damage. Imported high-quality sealing rubber ring has the characteristics of low temperature resistance and oil resistance. 93 quick release clamp has a 20mm jaw, which can be directly clamped on the side attachment rail of the FAST tactical helmet The mouse tail control line is a quick-release structure, just pull it out or insert it directly. Press the mouse tail control line to turn on the flashlight, and release the hand to turn off the power. In addition to the mouse tail control line control, there is a button control on the bottom cover. Press power to turn on, then press to turn off