The PDW Kepler eBike Tail Light offers up 220 degrees of visibility. Compatible with any 6V-15V system, this light has 3 super-bright red LED's. Equipped with a pre-installed Bosch plug, the Kepler eBike Tail Light is ready to plug directly into any Bosch eBike system. The Bosch plug can also easily be clipped off for direct wiring into other eBike systems. - Seatpost or seatstay mounting - 220 degrees of visibility - 25 Lumens - 48" cable length - Remove Bosch plug to work with any 6V-15V e-bike system