Digital 5E 6E LAN Cable Telephone Wire Coaxial BNC USB and 1394 Line Cable Tester Cable Tested : RJ45/RJ11/BNC/USB/1394 and other different types Cable Detected : RJ45/RJ11/BNC/USB/1394/ STP/UTP /Twin Twisted Cable/Coaxial Cable/Telephone Line and other metal wires Operating Environment : -10 ~ 60C Signal Transmission Distance ;3km Location of Wire Order Wand Cable Failure : Failure test, open circuit, short circuit, reversed position, crossing and series winding