LCD USB Tester Voltmeter Ammeter for Mobile Phone Power Bank Charger Voltage Current Capacity

LCD USB tester for measuring voltage and current with a fully digital display. Power supply DC 3-7 V. Operating temperature from -4 °F to 149 °F (about -20 °C to 65 °C). Compact dimensions: approximately 2.28 in × 1.06 in × 0.75 in (58×27×19 mm). High accuracy class and CE certified. Sold by diymore as a current/voltage meter for DIY electrical use.