Tone and Probe Kit, CAT Safety Rating Not Applicable, Testing Functions Tone Generation, Tone Detection, Adapters Included RJ11, Connector Type Alligator Clips, RJ11, Maximum Speed Measured Not Applicable, Data Safe Monitor No, Display Screen Type LED, For Use With Alarm, Electrical Wire, LAN, Multi-Conductor, Telephone, Twisted Pair, Includes Alligator Clip, RJ11 Connector, Maximum Cable Length 500 ft, Fault Location Pulse Duration Not Applicable, Alert Type Sound, Port Number Display No