1.The tester can only be used to test standard duty, low impedance electric fences2.Test voltage levels on your fence line and fence controller,finding fence faults3. indicates voltage levels from 0. 6kv to 7kv (600 volts to 7000 volts)4.Keep one on hand for regular fence line maintenancefence tester can be matched to any animal control situation, offering both budget and design flexibility5.This package does not need to add batteries.Due to new rules of China Post Air, parcels must not include batteries, otherwise it will not through the custom.6.The tester uses to indicate voltage produced on a fence line or by a fence controller.It is designed for a low impedance and standard duty fence controllers.Colour:red + blackMaterial:plasticPackage Contents:1 x Voltage TesterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.