NEW Electrical Voltage Tester Pen Screwdriver AC Non-Contact Power Detector*
USD 9.21 USD
Specifications
| Brand | Unbranded |
| Type | Tester Pen |
Easy to carry: pen design is more convenient to carry when working, thoughtful design, careful everywhere. 7.83Hz Schumann Resonance Frequency Generator with Digital Circuit Oscillator. Warning: Button/coin batteries can cause severe injuries when swallowed.
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