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

Options for electric fencing, livestock, tips and tricks – NFUonline

Fence Volt/Current Meter & Fault Finder

This is a Gallagher electric fence tester, but it's no longer working. More info in comments. : r/AskElectronics

GALLAGHER G50405 Fence Tester Instruction Manual

Electric Poultry Netting Fence: Worked Great for Us - No More Stomach Acres Homestead

Gallagher Fault Finder, Identify & Locate Electric Fence Faults, Tough Pocket Size Digital Reader with Extendable Voltage Probe

Effective Electric Fencing Solution

Choosing and installing electric fencing for horses.

This is a Gallagher electric fence tester, but it's no longer working. More info in comments. : r/AskElectronics

Fence Volt/Current Meter & Fault Finder

By using the Gallagher Fence Tester you’ll save hours checking fence lines for shorts. Measure fence performance and follow the LCD display fault

Gallagher Fence Tester | Identify & Locate Electric Fence Faults | Tough Water & Impact Resistant Pocket Size Digital Reader | 3-in-1 Device (Volt