This DC analog ammeter has an external shunt type. It features a simple 2 - wire connection, and the meter senses power from the same connection. It comes with a DC shunt and a backlit meter face. Note: This product may expose you to chemicals like di(2 - ethylhexyl)phthalate (DEHP), known in California to cause cancer, birth defects or other reproductive harm. Visit P65Warnings.ca.gov for more info.

Using this Blue Sea DC ammeter is easy. First, connect the two wires as per the simple 2 - wire connection method. The meter will sense power from the same connection. When using, keep in mind the warning about the chemicals it may expose you to. For maintenance, keep the meter clean and dry. Avoid exposing it to extreme temperatures or moisture. If you notice any issues with the reading or the backlit meter face, check the connections first. For more serious problems, it's best to consult a professional.