Electric Fence Alert Fence Voltage Alert Fence Voltage Alert Fault Finder for Outdoor Cattle Farm Item Type: Electric Fence Alert Material: ABS, copper Product Size: Approx. 9.5 x 6 cm / 3.7 x 2.4 in Battery: 3V, 1 x CR2032 button battery (Battery Not Included) Type: Detection series Purpose: Test whether the electric fence voltage is normal Application: Farms, temporary electric fence systems Applicable Animals: Neutral or ferocity animals, such as sheep, goats, cattle, wolves and jackals Weight: Approx. 89g / 3.1ozColor: BlackIf it is used for chicken, the voltage number is relatively small, you can choose the second mode .(1500-2500V) If it is used for animals such as pigs and sheep, and the voltage is large, you can choose the third mode. (Over 2500V)