Dual-voltage with multiple flow rates available: Supports 12V and 24V DC, covering a full range of flow rates from 500 to 4,700 GPH available in two models: manual operation and automatic start/stop with built-in float switch Fully waterproof submersible housing: The entire unit can be fully submerged in both seawater and freshwater; the sealed motor prevents electric leakage and ensures no seepage during long-term underwater operation High-flow rapid drainage: Large-diameter inlet strainer resists blockage by aquatic plants and debris, quickly draining accumulated water from the hull; high-flow models are suitable for large yachts Versatile marine applications: Suitable for speedboats, sailing yachts, oxygenation of live fish holds, and pumping water from small drainage pits, amongst other uses Lightweight and easy to install: Compact body with integrated cable outlet; pre-drilled mounting holes on the base; fitted with a standard discharge connector; simple installation requiring no complex tools, Manufacturer: FBFTGMRMTA