The HL1 series of Helmet Light by SureFire delivers high performance in a compact design and is the perfect addition to any tactical kit. It quickly and securely mounts on helmets and is compatible with MOLLE/ALICE vests. It features a standard white light with three power outputs, as well as night-vision-friendly colored LEDS to assist in close-quarter activities. In addition, the HL1 has an infrared output which greatly improves the effectiveness of night vision devices, and has a personal Identify Friend or Foe flashing beacon. Features of the SureFire HL1 Hemet Light: Features white, colored and infrared outputs Available in blue, red and yellow-green colored LEDs Personal Identify Friend or Foe flashing beacon MOLLE/ALICE vest compatible SureFire 1.4-19.2 LU Blue/White/IR LED Tan Helmet Light HL1-A-TN