12V 1100gph/70lpm Automatic Bilge Pump Electric Water Pump for Boats, Ponds and Pools

Automatic and manual operation mode: the automatic bilge pump has an automatic and manual operation mode. Simply connect the blue positive pole and the black negative pole (fully automatic operation): as soon as the water is detected in the bilge, the pump will start automatically and release water quickly! Connect the red positive pole and the black negative pole (semi-automatic mode): manually turn on if necessary to make sure the boat can be emptied effectively in different conditions. Red and blue can not be connected at the same time. It needs to be turned on and off manually Large Flow The automatic bilge pump has a large water outlet with large flow rate and can drain water quickly Sturdy Material The 12V automatic bilge pump uses stainless steel housing and heat-resistant ABS plastic to ensure the product is rustproof, corrosion resistant and leak-proof Silent operation: automatic bilge pump small size, light weight, does not take up too much space, quiet operation, low vibration, the water pump is quiet and little vibration when operating, providing a comfortable and quiet environment for use Widely Used Automatic bilge pump suitable for hydraulic systems with cold water fed in gravity or pressure line, ideal water pump for fishing, cruisers, motor boats, boats, yachts, etc