This is a Gallagher electric fence tester, but it's no longer

Electric fence testers

15 tips for building an electric fence on your own

The Gallagher i Series Energizer Remote and Fault Finder will quickly and easily locate and repair electric fence faults.

i Series Energizer Remote and Fault Finder - Electric Fence Canada

Electric Fence - Monitoring and Fault Finding this Spring

Gallagher Electric Fence Tester Battery Replacement

Gallagher Fence Volt / Current Meter and Fault Finder – WCS Canada store

GALLAGHER S20 Portable Solar Fence Energizer Instructions

Effective Electric Fencing Solution

Buy Gallagher Electric Fencing Testers

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How to troubleshoot electric fence problems, then fix them!

Bomgaars : Gallagher Fence Testers : Electric Fence Tester

Gallagher - G50405 Fence Tester - Mamre Produce