The AXA Juno battery is a very compact rear light. Thanks to the intelligent design, the Juno model is also illuminated on the side, making you more visible to traffic coming from the side.The rear light is operated via an on/off switch and can be mounted at a mounting distance of 50 mm. It works on 2 AAA batteries, which are included. The light has a long and competitive battery life so you can enjoy cycling without having to worry about the battery level.For your safety, the Juno is equipped with a battery indicator that warns you when your batteries need to be replaced. The batteries can be changed easily without tools.