Go Head To Head With Darkness. The compact, variable-output HL1 HelmetLight features primary and secondary LEDs and one infrared Identify Friend or Foe (IFF) beacon. The primary LEDs are perfect for general-purpose close-work illumination. The colored secondary LEDs serve the same purpose but in a low-signature, dark-adapted-vision-friendly color. Its durable, watertight polymer body attaches to any Modular Integrated Communications Helmet (MICH) via an included ambidextrous mount with 20 preset positions for true 360-degree rotation. With the mount in place, the HelmetLight can be quickly and securely attached. Pressing a lever on the mount unlocks the light for quick removal. An optional Z71 carry clip mounts the light to any MOLLE or ALICE vest. The HL1 is a highly versatile illumination tool for military, law enforcement, and tactical use. Features White and night-vision-friendly colored LEDs for close-quarter activities Blinking infrared LED serves as IFF beacon (all models) Infrared LEDs (some models) for use with night vision devices Two toggle switches and a pressure switch for total control Constructed of durable glass-filled nylon polymer and neoprene Easily removable for servicing or transfer to other helmets (Z71 mount required) O-ring sealed, watertight body for dependable all-weather service Long runtime from a single 123A battery with 10-year shelf life OUTPUT WHITE OUTPUT High: 19.2 / Med: 5.0 / Low: 1.4 lumens WHITE RUNTIME High: 6 / Med: 28 / Low: 48 hours YELLOW/GREEN OUTPUT High: 19.2 / Med: 5.0 / Low: 1.4 lumens YELLOW GREEN RUNTIME High: 20 / Med: 48 / Low: 96 hours RED OUTPUT High: 2.5 / Med: 0.8 / Low: 0.3 lumens RED RUNTIME High: 20 / Med: 48 / Low: 96 hours BLUE OUTPUT High: 2.5 / Med: 0.8 / Low: 0.3 lumens BLUE RUNTIME High: 20 / Med: 48 / Low: 96 hours IR OUTPUT High: 30.5 / Med: 10 / Low: 2.0 milliWatts IR RUNTIME High: 6 / Med: 17 / Low: 44 hours IR IFF STROBE OUTPUT 1.7 milliWatts IR IFF STROBE RUNTIME: 120 hours