1LCD Screen: The 20015000v voltage level on the farm fence is displayed through the LCD screen, which can be used at night, and the specific voltage value is known at the first time. 2Widely Use: This is a voltage tester with its own backlight screen, which is matched with the fence host. It can be used for many types of electric fences, including steel wire, poly wire tape, etc. 3Easy Installation: This voltage tester is easy to carry and easy to operate. As long as it is close to the electric fence, the voltage can be tested. 4Durable Materials: The electric fence voltage tester is made of high quality ABS and copper materials, durable and cold resistant. Light and easy to carry. 5For Livestock Enclosures: This electric fence tester can be used for farms, home gardens, sheep, pets, horses and livestock enclosures.