This cable meter is essential for contractors, electricians, low voltage installers or anyone involved in the installation or maintenance of metallic cables. It empowers you to quickly find faults in cables up to a distance of 2,500 feet. Simply select the appropriate cable type from the pre-stored library, attach the leads to two conductors of the cable, and with one press of a button, the length of the cable or distance to an open or short is displayed.Voltage on the wires is continuously measured and displayed to warn about potentially unsafe conditions. This meter will also inject a tone onto the conductor for tracing cables installed in walls and ceilings with a standard tone probe. The universal banana jack test lead connectors enable use with a wide range of adapters for any connector type. An affordable meter critical to your success!