Specifications: The auto bilge submersible pumps are equipped with an electronically built reed controlled sensor system to make fully automatic operation easy. No separate float is needed, and the relay loop design protects the pump from instantaneous high current. No power use until it turns on when the water pump increases. Auto Bilge pumps are built with a compact, efficient, long engine life, rust, ignition and for corrosion protection stainless steel shaft, and an impact-resistant durable plastic casing. Quick release strainer for easy maintenance. Features:* Auto bilge submersible pumps are equipped with an electronically built reed controlled sensor system to make fully automatic operation easy.* No separate float is needed, and the relay loop design protects the pump from instant high current. No power use until it turns on when the water pump increases. (Auto Bilge Pump)* All (Auto) Bilge Pumps are constructed with compact, rust and corrosion protected stainless steel shaft, impact-resistant durable and thermoplastic ABS plastic housing.* Small size, high efficiency, low current to achieve small size perfect combination of high flow * Fully submersible and ignition protected with anti airlock design and moisture tight seals.* Up to all existing safety standards.* Snap-zipper Lock strainer base for easy assembly and disassembly and quiet vibration free running.* Dry run with no problem Specifications:1. Flow rate: 1100 GPH2. voltage: 12 V3. Amperage: 3.8A4. head: 5.0 M5. lead wire: 1 M6. Outlet Diameter: 29mm/1-1/8"7. N.M/G.M: 0.47 kg/0.52 kg Applications: Usually used in ship hulls/bilges Bait tanksPonds, swimming pools, spas, Other applications where you have to remove water from Note: These pumps are designed for intermittent use only, it is not designed for continuous operation Package Included: 1 Pc*1100GPH 12V Marine Boat Automatic Submersible Bilge Automatic Water Pump Float Switch