Coax-BNC or high quality alligator clips for quick, easy connection to test most cable types|Measurements can be switched between and metric and imperial units|TDR technology measures Distance-to-Fault, Open or Short, on terminated or unterminated cable|Stores custom cable VoP values for consistently accurate results and time savings|Simple interface with full color, interactive LCD|Tones unenergized, open-ended wires for wire tracing requires Analog Probe (Cat. No. VDV500-123, sold separately)