Description: Made from tough weatherproof Nitrolon polymer and featuring virtually indestructible light-emitting diodes (LEDs) the lightweight SureFire HL1 Helmet Lamp attaches directly to the side of any TC 2000 MICH (Modular Integrated Communications Helmet). SureFire HL1 Watertight Helmet Flashlight uses a single 123A lithium battery and six LEDs to produce three different types of light at multiple power levels. This compact multiple-output Helmet Light in tan by Sure-Fire features three white or yellow-green LEDs two blue / red / IR LEDs and one blinking red infrared LED that serves as a personal Identify Friend or Foe beacon. The white LEDs are perfect for general-purpose close-work illumination; the blue lights of the Surefire light