Featuresr with 4 lighting modes including high brightness medium brightness low brightness and flashing moder clear lighting brightness safe for night cyclingr with brightness reaching up to 1200 lumensr ipx 6 water resistancer light works only when the usb cable is connected no need to buy extra batteries economical and environmentally friendlyr quick release rubber loop easy to install the light on your bicycler mini sized and ultra lightweight great choice for cycling enthusias