Brighter Headlamp & 3 Modes: This bright COB headlamp provides 210 wide-angle illumination instead of only illuminating a small area in front of you, our headlights have been upgraded to a 2000 lumens light source, which can provide maximum brightness, easily illuminate the entire room or focus on objects 300 meters away! There are three lighting modes: high light, low light, strobe. Comfortable and Battery Powered: The COB headlamp LED peripheral has an adjustable retractable headband to keep it in the right position and can be applied to any head circumference by adjusting the headband. Long Battery Life & Taillight: Built-in rechargeable battery, support USB charging, no need to order additional batteries, saving the cost of repeated battery replacement. When the headlamp is turned on, the on/off button on the back of the battery compartment will also light up red, acting as a taillight. It is the best practical gift for family and friends. Widely used and good service: The