Modern LED technology from UK, packed into an incredibly small, bright, and lightweight helmet lamp. Equipped with special eLEDs. Approximately twice the light output of the old UK 4AA Xenon, yet with a significantly reduced size and current explosion protection. An electronic circuit maintains the light output at a constant level and ensures a bright beam of light throughout the entire runtime. The light fits into existing helmet mounts. - eLED lifespan approx. 10,000 hours - rubberized "On/Off" switch, easy to operate even with gloves - 100% waterproof and dustproof - robust ABS housing, electrically conductive, corrosion-resistant - Pressure equalization valve - Simplified battery replacement via special rocker switch - Model: ES front switch - Color: neon yellow - 1 UK 2AA eLED ET or ES unit - 2 AA batteries