USB rechargeable 500 lumen headlight 6 modes per light: High Steady, Medium Steady, Low Steady, Daylight Pulse, Nitelight Pulse and Economic Flash Memory Function-Light turns on at the last mode it was turned off Power saving function- 10% power or less, lights will automatically switch to lowest lumen output Built in battery indicator- Red illumination = lower than 25%, Green = fully charged Side illumination ports allow cyclist to be seen when riding across traffic lanes Black 6 Front Rubber Strap USB 500UPC/EAN/GTIN: 720018004516