2-inch flexible neck for precise task lighting when visibility is low, directing light exactly where you need it. Durable, high-strength construction with large rubber buttons for easy operation, even while wearing gloves. Two output modes: white LED and IR LED, with adjustable white light brightness; red LEDs provide a low-signature close-work option. Powered by two CR2016 batteries (included) for quick setup and reliable use. Tactical helmet light designed for ARC Rails, with replaceable bases that adapt to different platforms. White LEDs are ideal for general close-work illumination; red LEDs offer the same function with a low-signature option. Use scenarios: - Mounted on a helmet during night patrols or maintenance on ARC Rails for hands-free lighting. - Close-up mechanical or workshop tasks where adjustable white brightness improves visibility. - Low-signature or stealth tasks requiring red or IR illumination for discreet lighting.