Ventura Narcotics and Explosives Detection System Balaclavas but you could also use

but you could also use these for optics or other accessories

Night vision goggle (NVG) compatible modular system

Comfortable-to-hold black aircraft aluminum handle

Each Blue Gun is fabricated in Law Enforcement Blue - the most recognised safety colour in the world

runs 320 hours

Ventura Narcotics and Explosives Detection System Balaclavas but you could also useThis small portable detector device is the perfect solution for airports and highly volatile locations. High performance, low cost of ownership, little maintenance makes this the perfect solution. High sensitivity technology that can detect as little as 100 Nanograms of black powder, including fireworks and homemade explosives Vacuum ultraviolet (VUV) lamp soft ionization technology, for safe non radioactive use Less than six seconds identification