The Head Torch USB is a water-resistant headlamp with three light modes. This helmet light provides good long-range visibility with 160 Lumens for 15 hours. The head torch also has a motion sensor that lets you turn the light on or off in one motion. The headband is adjustable to any size. Features: USB rechargeable Motion sensor Water-resistant Battery life of 15 hours Visibility at long distance Three modes Specifications general: Color: black Gender: unisex Material: polyester, plastic Water repellent: yes Adjustable: yes Head size: one-size Weight: approx. 100 grams Technology specifications: Number of lumens: 160 Battery life: 15 hours Charging with: USB cable Motion sensor: yes Number of modes: 3