Light output of up to 1100 lumens: Despite its small and lightweight design, the small and lightweight spotlight achieves an impressive 1100 lumens with an illumination range of at least 100 metresCharging via micro USB and a powerful battery supply: The headlamps are powered by a 1500 mAh lithium-ion battery with integrated safety circuit, i.e. high performance with maximum safety. The lamp can be charged via any standard USB power supply using the included USB to micro USB cable.4 DIFFERENT LIGHTING FUNCTIONS:Our headlamp has 4 lighting modes. White light, yellow light and alternating red and blue light, easy to use, versatile IPX4 waterproof: Thanks to the tilt angle of the lamp head, the ultra-light torch ensures the best illumination in all conditions. Thanks to the IPX4 protection class, the torch is particularly suitable for outdoor use, even in rain and bad weather.Adjustable headband and wide use: The lamp is equipped with a high-quality screw band, which is easy to adjust and install and does not slide, so that both adults and children feel comfortable. These rechargeable headlamps are great for running, cycling, camping, hiking, fishing, repairing, hunting, dog walking and other indoor and outdoor activities.