Vision Ultra Rechargeable Headlamp with seven modes and a headband is comfortable and powerful to illuminate any job or task that requires the use of both hands. It is dimmable to control brightness and runtime. VisionGuard protects vision by gradually increasing light intensity. Seven modes include high, low, wide low, red, night vision in red and green and flashing red for emergencies. Red and Green LED mode allows you to preserve night vision. Powerful beam provides up to 400 lumens of light at a distance of up to 80 meters. Durable lens is water-resistant and drop-tested up to 1 meter to stand up to harsh conditions. Use the included USB charging cable to recharge the lithium ion battery inside the headlight. After fully charging in 4 hours, this headlight delivers up to 4 hours of light and up to 400 lumens (in high mode) - 15 times brighter than standard LED technology.