Blue Sea 8253 DC Zero Center Analog Ammeter - 2-3/4" Face, 100-0-100 Amperes DC Cartography | C-Map Max Foreign but the echo series fishfinders

but the echo series fishfinders themselves are entry-tier units oriented toward freshwater fishing - they lack the saltwater-specific features (water temperature compensation

SKU: NVN-19042

Does it work in saltwater

Pulley block for double line applications

SKU: NVN-16857

Blue Sea 8253 DC Zero Center Analog Ammeter - 2-3/4" Face, 100-0-100 Amperes DC Cartography | C-Map Max Foreign but the echo series fishfindersDC Zero Center Analog Ammeter Shunt Type: External Meters read both discharge and charge current Simple 2 wire connection from shunt no other power required Meter senses and powers from shunt connection Includes appropriate DC shunt Backlit meter face WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more