Get your bling on! This fun taillight in the shape of a big diamond ring from Fuuvi Charly will keep you visible and safe while cycling in low lighting. Attaches without tools to your seatpost with the included, detachable ring and clip. A built-in light and motion sensor allow it to automatically turn on as well as turn off if there is no motion after a minute. An easy-peasy, funky way to make sure you are seen at night!