Doctor Current Voltage Charging USB Charger Detector Battery Ammeter Voltmeter
USD 5.85 USD
Specifications
| Brand | Unbranded |
| Type | Voltmeter Ammeter |
| Country Of Origin | China |
| High-concerned Chemical | NONE |
How to Use the USB Doctor. Power SourceSelf-powered directly from the tested USB port (No batteries required). Protect Expensive Gear Easily diagnose poor-quality USB cables, high-resistance connections, and failing power adapters before they can overheat your devices.
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