Fishing Light - 400w Dock / Pond Submersible Underwater Light, 120 Volt by Go Green Fish Lights. $449.99. Stainless Steel Cage for protection. Electronic Ballast. Color options include Green, Red, White, and Blue. 50 feet of cable. Great for Docks, Ponds, and Boats with AC Power. The Go Green 400W Metal Halide Fish Light is a great selection for use on ponds, small docks in shallow water, and on small boats with a power inverter. The 400W Metal Halide bulbs will produce a 150' ...