describe: The ultra-high brightness and longevity rechargeable headlamp uses high-quality LED chips. The excellent lamp can be used for 100,000 hours, has a light intensity of up to 90,000 lumens, and radiates light up to 600 meters. It is equipped with upgraded 3 large-capacity charging ATTERYs, so it can work at high The brightness can last for 10 hours, and the low brightness can last for more than 45 hours. 90-degree adjustable and 4-mode LED headlight is specially designed with a 90-degree adjustable angle, and each angle is very solid, so you can see a complete view from front to back. The headlight has four modes: high, medium, low, and strobe. There are three lighting modes, you can switch modes according to your different environments to fully achieve the outdoor effect you want. USB Charging and Comfortable Bright Headlamp is designed for USB charging and circuit protection so you can charge from any USB port while you're outdoors. The adjustable elastic band on the headlamp allows you to properly adjust the size so the headlamp stays securely on your head, and it is removable and washable to comfortably fit adults and children, making it an ideal headlamp for runners and outdoor adventurers. Accessories. IPX5 waterproof super weatherproof headlight flashlight is IPX5 waterproof. It has been tested to have strong waterproof and anti-fall performance. It can withstand harsh environments such as lightning, heavy rain, snow, high temperature, etc. It is very suitable for outdoor night walking, running, cycling, hiking, etc. Camping, mountain climbing, diving, fishing and other outdoor sports allow you to fully experience the charm of nature. Package contents: 1 piece headlamp Batteries not included