Expensive Front Double Lights, 3 Modes Warning Lights - There is a light indicator with 3 brightness modes on the front of the hat and a red warning light on the back with a flashing mode and 2 brightness levels. Meet your needs at different times and scenarios, such as when riding or running in winter, you can turn on the front and rear lights at the same time. Comfortable and quality LED knit hat - The winter hat is Made of very high quality materials, no peculiar smell, very soft, exquisite workmanship, double-layer design, warmer, but not very heavy, the appearance is very classic and beautiful, and it is very suitable for men and women. women. LED hat with USB charging - Our hat with alarm light uses usb to charge, it can be charged by outlets, computers, power banks, etc. The mode is used for about 2 hours, the middle mode is used for about 4 hours, and the third mode is used for about 6-8 hours. Removable and easy to clean - The lamp on the cap can be removed. When you need to clean it, please remove the lamp first, then clean it. Machine washing is possible. It will not deform after washing and has good elasticity. One size fits all - Elastic beanie and scarf for women and men, with high quality stretchy knitted material, breathable and comfortable, keep warm in winter, release your hands! Very suitable for outdoor sports, repair work, night running, fishing and dog walking at night, etc.