Tests 5 Types of Cables RJ-45, RJ-11, BNC, 1394, USB 600 ft test distance (RJ-45 / RJ-11 / BNC) Tests Shields in 1394 and USB Cables Local or Remote Test Mode on Receiver Simple One Button Test . Built-in Battery Test High or Low Pitch Tracer Tone Ergonomic, Portable Handheld Design LEDs Indicate Connections and Faults Fast or Slow LED sequencing Tests Installed Wiring or Patch Cables Beeper Provides Audible Annunciation of Test Results Local or Remote Test Mode on Receiver Remote Attaches to Main Unit . Tests Shielded (STP) or Unshielded (UTP) LAN Cables Fast or Slow LED sequencing