High-end technology from UK, packed into an incredibly small, bright, and lightweight helmet lamp. Equipped with special eLEDs and revolutionary CPO and TRS technology. Approximately three times the light output of the old UK 4AA Xenon, with significantly reduced size and improved explosion protection. Electronics maintain a constant light output and ensure a bright beam throughout the entire runtime. The light fits into existing helmet mounts. - eLED lifespan approx. 10,000 hours - rubberized "HI/LOW/OFF" switch, easy to operate even while wearing 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: black, with reflective stripes - Dimensions LxWxH: 135 x 40 x 34 mm - 1 UK 3AA eLED CPO TS or ES unit - 3 AA batteries