EBSN 20 Amp Electric Switch for Bilge PumpFeatures: Operation managed by microcontroller Advanced digital filter to distinguish the presence of water Extended power supply range Remote indication of operation status by LED or remote control panel (optional). Manual remote pump switch-on by button or remote control panel (optional). Signal for prolonged bilge pump switch-on (if LED or remote control panel is installed). Protection against excessive battery rundown. Switch-on/switch-off delay to avoid false switch-on/switch-off cycling of the pump caused by the roll of the boat. Functioning over a wide range of environmental temperatures Resin-coated watertight casing Easy installation Specifications: Type: Switches Volts: 12/24v Box Dimensions: 3"H x 5"W x 7"L WT: 1.15 lbs UPC: 8057090045130