SureFire Helmet Light &nbsp; &nbsp; LEDs &mdash; 3 White, 2 Blue, 1 Infrared IFF, Clamshell Made of durable glass-filled nylon polymer and neoprene O-ring sealed, watertight body Two toggle switches and a pressure switch for total control White and blue LEDs and infrared IFF LED beacon Easily removable for servicing or transfer to other helmets