| CT-NT-001 |
| Features(Probe): |
| Sound or illumination and vocal-light indicating for choice. |
| Volume adjusts. |
| Low voltage warning. |
| Feature(Tone main frame): |
| Choose switch of multiple frequency signal and single signal. |
| Syllogistic remote switch appplies for control operation mode. |
| Three color pilot light, display circuit polarity,continuity and testing voltage. |
| Red and black test cartridge,standard four wires plug. |
| Fine moulding,expedient operation. |