Features
-Sound and Light Instruction -Cont and Tone LED Light Applications -Judge Continuity of the Cables or Wires -Track the Cables or Wires, and Diagnose the Break Point -Receive the Tone Signal on the Cables or Wires(Telephone Line) -Identify the State in the Working Telephone Line(Clear, Ringing, Busy) -Send a Single Solid or a Dual Alternating Tone to the Target Cables or Wires |