EXTREMELY BRIGHT POWERFUL HEADLIGHTS Our head torches are built with longevity. And it is powered by 1* T6 front light + 40* LED in other sides with visible light emissions of 4000-6000 lumens which have a lifespan for more than 100,000 hours. RECHARGING BATTERY WITH PROTECTION BOARDPowered by 2*18650(included) larger capacity rechargeable batteries with overcharge protection, which is safer than other torches. USB output port and convenient red and green LED battery charge indicators. LIGHT SENSOR MODE ADUSTABLE HEADBANDThe intelligent light mode of the head torch automatically adjusts brightness according to the environment. Anti-slip adjustable headband ensures comfort and stability, no worry about falling off when running and cycling. 4 LIGHTING MODES USB RECHARGEABLE4 different levels of light will quickly catch attention without delay. Charge fully from any USB port in only 4-5 hours, coming with a beam distance of up to 200-300 meters so you can see everything in sight. WATERPROOF LIGHTWEIGHTThis headlamp is built to last and its rated IPX5, it is protected against splashing or spraying water from any angle. Its lightweight and portable. Easily adjust, ergonomically designed headband.