The AXA Juno Battery is a very compact rear light. The smart design offers also light from the side, which makes you better visible to crossing traffic. The Juno is operated by an on / off switch and can be mounted to a distance of 80 mm. It runs on 2 AAA batteries that are included. The light has a long and competitive battery run time to make sure you can enjoy riding your bike without worrying about the battery level.