This 800GPH fully integrated bilge pump features switchless automatic operation with low amp resistance monitoring. Pump automatically senses for water through a low amp draw impeller spin that will not drain your battery for over 100 days. A new high flow impeller design provides the most efficient and highest true capacity flow in the category. Pumps use replaceable and upgradeable Aqua Void Auto cartridge motors that include the industry's first in-line quick change connector for simple plug and play replacement that requires no cutting or splicing of wires. Offers small footprint and one-hand easy motor removal. Includes both straight and 90 degree redesigned heavy duty dura-port connections and removable check valve. 12V.