Blue Sea 8022 DC Analog Ammeter - 2-3-4 Face, 0-50 Amperes DC 
DC Analog Ammeter
Shunt Type: :External
Simple 2-wire connection
Meter Senses Powers from same connection
Includes 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 information go to P65Warnings.ca.gov.