Cable Break Positioner, Underground Detector for Le

easily locate breaks: use the petsafe wire break locator to find complete breaks in your in-ground dog fence boundary wire; the wire break locator is not designed to detect partial breaks advanced technology: the wire break locator uses dual tone and light indicators to locate wire breaks; the green light indicates a continuous tone and the red light indicates an intermittent tone adjustable volume: the locator features an adjustable volume dial to help listen for the dual transmitter tones and pinpoint the wire break; 2 aaa batteries are needed for the locator (not included) important information: both grounding stakes must be used in order to hear the two tones separately; if the ground is dry, then several litres of water should be poured around the grounding stakes warranty: this petsafe locator has a manufacturer's warranty of 3 years