4 Powerful Modes With one click of a button, change to the right light mode that you need. Switch between low and high brightness from dusk to complete darkness at night, or between slow and fast flashing modes for high-traffic roads. Rechargeable Long-Lasting Batteries Precision-designed to provide maximum power of up to 10 hours on a full charge and completely rechargeable using all USB-compatible outlets: car charger, laptop, powerbank, wall outlets, etc. Our Commitment to Quality and Our Customers We are more than just great bike lights! As a customer-driven brand wholly committed to providing you a positively lit experience, all our products come with a promise to always meet (and sometimes even exceed) your satisfaction!