The headlamp rechargeable uses class-leading LED chips that has the maximum brightness of 1200 lumens, Easily light up an entire tent and road. It has powerful 1500mAh built-in rechargeable battery, which can be able to charge and turn on the lights at the same time. No need to wait for full charge or replace the battery. And the battery indicator will help you master battery usage. ( Last for 4-10 hours when fully charged. )The head lights has up to 8 different ways of lighting up. Different brightness can be adapted to different needs of use. You can easily switch between different light-up modes with the switch. More energy-saving and environmentally friendly. Or you can use the sensor mode, the sensor button to switch the mode at the same time you can wave your hand on the right side of the headlamp to turn headlights on and off.Ditch the batteries! Our USB headlamp provides up to 30 hours of continuous lighting on a single charge. For extended use, we recommend purchasing 2 headlamps to ensure uninterrupted performance without worrying about battery life.The head lamp can be rotated 45 and tightly fixed to avoid shaking and sliding when running. The head flashlight uses comfortable elastic headband, which can easily adjust the length to perfectly fit your head size, perfecHeadlight has IPX4 waterproof rate. The high-quality shell is more sealed and leak-proof, which is suitable for rain or snow, indoors or outdoors. Our headlamp plus the battery weighs a total of 2.75 ounces, which is very lightweight and allows you to wear it without feeling tired. It is also very light and small when not worn, portable and easy to store.