Gallagher fault finder saves hours of checking fence lines for shorts. Volt meter, current meter and short finder in one. Tracks the source of erratic or poor electric fence performance in minutes and fits in your pocket! Large easy to read LCD display shows voltage and current and an arrow shows direction of fault. Extendable contact probe for reading voltage on energizers and other hard to reach places, earth probe connector for more accurate reading, auto On/Off when fence pulse detected. Long, 3 year life on replaceable battery.