Uploaded September 2025 | Updated September 2026, 1 week ago

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Exploring what's inside a wireless high voltage tester for electric fences, including the schematic. It's made by Kerbl. It indicates the fence voltage in 5 steps: Low, 2.5kV, 4kV, 6kV and 8kV. It runs on a 9V battery and has a low battery indicator.

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