Speedrite, Part of the Datamars products

The Speedrite remote with Fault Finder is a 2-in-1 tool that features a remote-control function to turn your Speedrite compatible energizer on/off anywhere along your fence line. It also has an in-built volt and current meter to help quickly and easily location any faults along your fence line. With a large back-lit display, it shows you the current, voltage and current direction simultaneously as well as previous current reading to compare values.