Emoshayoga Mini Usb Voltage Current Monitor Tester, 4V-30V 0-3A Mini Usb Voltage Current Monitor Tester Capacity Detector Lcd Display 9191629448265

Specification: Input / Output voltage: 4V-30V Voltage Resolution: 0.01V Input / Output Current: 0A - 3A Current Resolution: 0.01A Test Capacity...