Aqua Marina PF-240K BlueDrive K Power Fin Underwater Jet for Kayaks/SUP New

Designed for long distance explorers, especially kayak and canoe lovers, the BlueDrive K can be connected to an external battery of your choice to fit the length of your journey. Travel light for a short trek or bring on the heavy-duty batteries for the long haul. The BlueDrive K easily replaces the fin on your stand-up paddle board or kayak.Featuring two speeds of 4 km/h and 6 km/h and a reverse gear setting, you can go further than ever before.This electric power fin is designed to fit almost all types of watercrafts with a slide-in fin box.