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Keweisi USB Voltage and Current Tester (IN/OUT)
Description
- USB Voltage and Current Tester Kit.
- Monitor how well your phone and tablet are charging, as well as your device's current and voltage consumption.
- LCD display shows the charging voltage and current between your mobile device, charge cable and charger.
- Fast charging capabilities for Apple and Android devices.
- LED light indicates whether the voltage (V) is being displayed or the current (A) is being displayed.
- Secure charging with public USB ports or when charging with unknown devices.
- Choosing a selection results in a full page refresh.
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