[Super bright and long life] TUNFOU rechargeable headlight adopts high-quality LED chips, high-quality bulbs can be used for 100,000 hours, light intensity can reach 90,000 lumens, and the irradiation light can reach 600 meters. Running for 10 hours, low brightness can run for more than 45 hours.[90 adjustable 4 modes] TUNFOU LED headlight is specially designed with 90 adjustable angle, every degree is very three-dimensional, you can see all-round vision from front to back, the headlight has high, medium, low, strobe , Four lighting modes, you can switch modes according to your different environments to achieve the outdoor effect you want.USB CHARGING COMFORTTUNFOU Bright headlight is specially designed for USB charging and circuit protection, so you can charge at any USB port when you are outdoors. The adjustable elastic strap on the headlight allows you to adjust the size to your satisfaction, keeps the headlight firmly on your head, and is removable and washable, comfortably fits adults and children, ideal for runners and outdoor adventurers Lamp accessories.IPX5 Waterproof and Super Weather Resistant TUNFOU headlight flashlight is IPX5 waterproof, has been tested to be extremely waterproof and anti-drop, can withstand harsh environments such as lightning, heavy rain, snow, high temperature, etc. It is very suitable for outdoor night walking, running, cycling, hiking, camping , mountaineering, diving, fishing and other outdoor sports, allowing you to fully experience the charm of nature. 421-Perfect after-sales service: If you have any quality issues or do not like it after receiving it, please contact us and we provide free return and exchange services