Universal helmet brackets DT-HC9 with independent intellectual property have patent protected. The night vision is made from high strength aviation aluminum alloy; the function is all ready, flexible operation, easy to use, durable, etc. Have freedom in all three axis is adjustable; Product 180 degrees, three docking stations, multiple functions such as automatic shutdown check. Its interfaces and function high strength aviation aluminum alloy as are interchangeable with general bulletproof helmets, especially suitable for special operations forces wearing equipment needs.