The moon shield rear light is packed full of great features to offer you an easy to used hassle free rear light that will ensure you have enough light no matter where you next ride might take you the cree xpe led creates up to 60 lumens of light output and can be set in either constant or flashing modes ensuring you always have the best light for you ride this moon rear light also has a tool free quick release bracket for easy hassle free mounting and the vertical adj