Small but mighty, the Kepler E-bike Tail Light offers up 220 degrees of visibilityCompatible with any 6V-15V e-bike system, this slick little light is loaded with 3 super bright red power LED`sIncludes Bosch E-bike System plugThe Bosch plug can also easily be clipped off for direct wiring into other e-bike systemsSeatpost or seatstay mounting compatibleBlack1RearSeatpost25UPC/EAN/GTIN: 812938014550