Another helmet mounted LED and Strobe light now in stock at EB Airsoft which you can get for US$45.55, free shipping included. This has a velcro pad so you can immediately peel it away if you don't need your helmet and use it handheld. There are up to four user defined functions with the LED lights for steady or strobe modes. It also has IR mode for discreet IFF and is powered by just 1 CR123A battery which is not included in the package.