Rechargeable battery and charger
Visualize metal detection indicator
Controllable sound and vibration effect | Dimension | 345(L) X 69(W) X 25(H) mm |
| Power voltage | 9V Rechargeable battery |
| Operating voltage | 7V-12V |
| Operating current | <5mA |
| Alarm terms | Sound & light alarm/ Vibration & light alarm |
| Alarm sound | ≥75dB(A) |
| Operation frequency | 22KHz |
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