SureFire HL1-A Helmet Light with multiple low-signature spectrums of light and ratchet mount, black White and low-signature colored LEDs for close-quarter activities Blinking infrared LED serves as IFF beacon Included mount has 20 preset positions, allowing for 360 rotation of Helmet Light Lightweight, durable polymer construction; watertight for all- weather use Ergonomic, no-look switching is easy and intuitiveeven while wearing gloves