Cable Tester, For Use With Voice, Data and Video Cables, Adapter Type RJ45, Connector Type RJ45, Includes Carrying Case, Copper Cable Testing Verification, LCD Instrument Display, +/-3 Accuracy ( Percent), Auto Power Off, POE Testing, Tone Generation Special Features, No Data Line Polarity Indicator, No WiFi Capability, Yes PoE/PoE+ Detection, Yes Tone Generator, Yes Tone Detection, Yes Wiremapping, Yes Cable Length Display, Yes Distance to Fault, Yes Pair Tracing, Yes Endpoint Testing