Using the testers is very simple, you just push the earth probe into the ground and touch the tester terminal onto the fence. A good fence should have more than 6,000-8,000 volts on it and a minimum of 3000 volts to contain most domesticated livestock. This tester is recommended for temporary fencing
- Eight lights indicate voltage levels
- Hang on fence line to obtain reading from 600-7,000 volts
- No battery required