5PCS Red Mini Digital Voltmeter, DC 0.28 Inch Three-Wire Voltage Tester, DC 0-10
Enthaltene Komponenten 1. Wir helfen Ihnen gerne weiter! It can work directly in 5V, 9V, 12V, 24V. Three-wire connection, but it can also change three lines to 2-wire connection. High precision, reverse polarity protection.