Lightingsky 12V 70W 7000 Lumens LED Submersible Fishing Light 6 Sides Underwater Fish Finder Lamp with 5m Cord (Green-70W

The principle behind underwater fishing lights is the activation of the marine food chain. Zooplankton and insects are attracted to the light and swim to the surface. Baitfish such as shad, minnows, shrimp, and squid then arrive in pursuit of the plankton. Then, predatory game fish soon follow, and the fishing fun begins.