Underground Wire Locator 【Are you still annoyed by faulty underground cable lines】The underground wire locator helps you easily trace and locate underground wires or in-wall wires, low-voltage wires, metal cables,pet fence wires, etc,detecting cable break , locating alarm, measuring wire depth, and pinpointing drill sites. 【Save time and money】You will save a shedload of maintenance costs,buried wire locator helpful-locating & tracking buried and hidden wires,find and fix it by yourself. 【Anti-interference earphones】In order to rise the efficiency in noisy work environments, we dog fence wire break locator have configured a pair of 3.5mm earphones that can be connected to the receiver earphone jack. 【Scope of test】Wire tracer range depths of up to 2-3 feet, 1000 feet in transverse length, and it is loaded up with two 9V batteries. 【Warm reminder】This NF-816 can only be used to locate non-energized cables or low-voltage situation less than 24V, and only work with single-core or twin-core cables.not for multi-core wire and bundled wires. Only for wires & cables, not for sprinkler or irrigation valves.