MS6812

● 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