Features 1、BEST HAT LIGHT: Featured hands free, wave hand gesture sensing, power display and 180 adjustable angle function. Designed with 100 lumens brightness, USB rechargeable for 12 hours use, only 1.25 oz lightweight, and waterproof. 2、 GESTURE SENSING: Just a light wave will turn the power on or off without touching. It rotates 180 degrees which gives great flexibility to meet almost any need. This Clip On Hat Light allows you to work hands-free under the darkest conditions. 3、 POWER DISPLAY: The LED display will show the power of 25, 50, 75, 100 to let you know the battery power at any time. 4 ultra-bright LED providing 100 lumens of light, powered by built-in rechargeable batteries. Plug LED light into any USB port to charge the device. Simply remove the protective USB cover and plug into USB port. 4、 ESSENTIAL ACCESSORIES IN WINTER: The led hat Clip on Light that combines super-bright LED lights in a small, durable body that can be attached to many surfaces or objects. Fastens directly to cap or visor brim like Baseball Caps, beanie, Shimmery Hats, Caps, Newsboy caps ,Knit Beanies, Trapper, Toques, Bucket hat, Cloche hat ect, and it will be led light up winter hats for men and women. 5、 WIDE APPLICATION: It is perfect for emergency power outages and outdoor fishing, hunting, hiking, biking, camping, and walking at night. It is also a great RUNNING LIGHT, LIGHTWEIGHT HEADLAMP, TOOLS LIGHT, CAMPING LANTERN, and DOG WALKING SAFETY JOGGING LIGHT. Material: ABS Brightness: 200lm Charging method: USB charging Battery capacity: 1000mAh Induction distance: 25cm 2 levels: highlight, low light Switch type: induction switch, touch switch Waterproof description: Protection against general rain splash Life time: 6-12h Size: about 62 * 50 * 21mm Battery display: four levels, 25%, 50%, 75%, 100% Lamp angle adjustment: 180 ° Applicable scenes: night fishing, cycling, camping, going out at night Package List 1x Hat Light 1x USB Cable