Product details:

Designed to minimize the number of illuminators and beacons an operator must carry, the low-profile Sidewinder Stalk Military Helmet Light System from provides ultimate maneuverability. Put light where you need it with multiple mounting options and a flexible stalk to aim the beam. Multi-fuel capability allows it to accept more than one battery type. It features visible white, multicolored, and IR LEDs. A separate identification friend or foe (IFF) switch lets you use both the main light and IFF when needed.