Zareba Fence Doctor Digital Fence Tester and Fault Finder FD1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Saves time and frustration</li><li>Measures both current and short voltage</li><li>Points you in direction of short voltage</li><li>Large， easy to read digital display</li><li>Long life from 9-volt battery which is included</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VAfbVkt4L.jpg" noproxy>