Sleek and versatile USB rechargeable headlight produces 600 lumens through an Enhanced Cycling Optic that covers a wide spread Enhanced Cycling Optics (ECO) widens your field of vision and increases your visual profile 4 night modes: High, medium, low, and SteadyPulse 3 day modes: DayLightning, quad LEDs steady, quad LEDs flashing DayLightning mode emits lightninglike flashes to highlight your presence in the brightest of daytime hours Side illumination ports highlight your presence to nearby motorists Low battery indicator Light mode memory recalls last mode used Versatite flexible mount attaches to most handlebars including aero bars Includes Hotrod 50 Assembled in the USA