| Model | AWD12 |
| Ferrous metal | 120mm |
| Non-ferrous metal (copper) | 100mm |
| Alternating current (ac) | 50mm |
| Copper wire (≥4 mm 2 ) | 40mm |
| Foreign body | exact mode 20mm, deep mode 38mm |
| (Generally refers to the wooden block) | 0-85%RH in metal mode, 0-60%RH in foreign body mode |
| Working humidity range | -10℃~50℃ |
| Operating temperature range | -20°C～70℃ |
| Battery: | 1X9 volt dry battery |
| The usage time | about 6 hours |
| Body size | 147*68*27mm |