TDR (Time Domain Reflectometry) Test for Cables. Use TDR technology to calculate cable lengths, and the location of cable faults, breaks, short circuits and crushes. Graphic Wire Mapping Test. The TDR cable tester comes with a 3.7 inch color screen and helps you visualize your cable wiring and identify all problems, such as open pairs, shorted pairs, short between pairs, reversed pairs, crossed pairs, and split pairs, that make a cable run inoperable. Cable Tracing. Quickly and precisely locate and trace cables with complete AC interference rejection. 3 cable searching modes, high frequency, low frequency, and PoE switch, are available. Supported Cables. Supports cat5e, cat6, cat6a, cat7, power cable( 4+2 lan cable, 8+2 lan cable), Telephone lines, Coaxial cable tracking and testing. PoE Presence. Identify which pins are providing power and detect how much voltage. PING Function. Test network performance, data packet, min & max time. Hub Blink. Locate network ports by the flashing port light on a server/switch/hub/router port. Voltage Detection. A voltage detector is included in the receiver (90 - 1,000V). TF Card. TF card included to export data to the computer. What is In The Box: Transmitter * 1, Receiver * 1, Remote * 1, RJ11 cable adaptor * 1, RJ45 cable adaptor * 1, TF memory card *1, Alligator clip *1, Carry case *1, Charging adaptors *1, User Manual * 1