Headlight and tail light combo pack featuring a 65 lumen headlight and 30 lumen rear light Modes include High stead, Low steady, Daylight pulse, Nitelight pulse and Economic Flash for both lights USB rechargeable - no batteries to buy or replace Side illumination ports allow cyclist to be seen when riding across traffic lanes Memory Function - Lights turn 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 Black 5F/5R Combo Rubber Strap USB 65/30UPC/EAN/GTIN: 720018003823