There are two kinds of fishermen. The first throws his line in the water and hopes. He's been doing it for 20 years. He'll do it for 20 more. Some days he catches. Most days he doesn't. He calls it "relaxing." The second one sees the fish on a live camera feed 80 meters below his boat. He picks the one he wants. He drives the drone into position. He fires the harpoon. He doesn't hope. He hunts. This is the Poseidon. The world's first underwater drone with a harpoon. There is nothing else like it on the market. The "Unfair Advantage" for the Modern Hunter See the Unseen (HD Camera + Night Vision)You see everything below your boat in real time. Day, night, murky water — doesn't matter. High-intensity LED array turns pitch-black depth into your personal hunting ground. While everyone else stares at the surface, you're watching the fish. The World's First Drone That Hunts (Integrated Harpoon)Other underwater drones watch. Poseidon strikes. Find the fish. Position the drone. Fire. That fish is yours. Not observation — hunting. Recovery Powerhouse (40kg / 90lbs Lift)Snagged your anchor? Dropped a $2,000 fish finder? Poseidon brings it back. 40kg of vertical lift. One recovery and the drone has already justified itself. Built for the Long Haul (6-Hour Battery)Most underwater drones die in 90 minutes. Poseidon runs for up to 6 hours. One charge. One full day. You go home when you decide, not when the battery does. 50m DepthChoose 50m, 100m, or 150m tether cable. Deeper than most recreational divers ever go — and you're doing it from your boat. Engineering Without Compromise This isn't mass-produced plastic from a factory line. Every Poseidon is built using High-Precision Additive Manufacturing. The finish is industrial because the job is industrial. Built to survive saltwater, pressure, rocks, and abuse. Pretty drones break. This one works. Limited Production Run Harpoon calibration and final assembly are done by hand. Production is strictly limited. When this batch is gone, the next one ships in weeks, not days. Secure yours now. Free worldwide shipping. 30-Day Test Hunt — use it hard, and if it's not the most fun you've had on the water, full refund. We pay return shipping.