Helmet-mounted NVG with Gen 2 / Gen 2+ image intensifier tubes, standard issue for specific departments. Power: Mount battery module via standard DC cable; 4× CR123A (2.8–4.2V) = 50–80h non-IR; remote battery pack doubles as counterweight Build: High-quality materials, IP65 waterproof (upgradable to IP68), rugged and reliable for extreme environments Optics: Built-in IR illuminator for total darkness; Automatic Brightness Control; bright light protection Options: Flip-up auto shut-off, helmet mount system