Measures both high and low voltages with a single, budget-friendly tool; easily check energizer output, fence performance AND 12V battery capacity Automatic mode detection: 0.1kV–9.9kv (electric fences); (up to 19.9V for batteries) Digital LCD removes the guesswork of light-up testers; measures volts (V) and kilovolts (kV) Lightweight and easy to use; more accurate than wireless light-up testers Dimensions: 6-1/2"L x 2"W; Positive tip: 1"L; Negative ground probe: 3"L with 4' cord Requires (1) 9V battery (included) All-in-one digital fence tester checks the voltage of energizers, electric fences and 12V batteries. Simplify troubleshooting with one device!