Yosoo Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A

Description: This USB Multi-meter plugs directly into any USB socket or Micro-USB charger or cable. It displays on the screen the voltage, current and capacity. This universal usb gadget is suitable for most of the mobile phones, mobile power, tablet PCs and other USB devices including iPad, iPhone and Samsung Galaxy. It has precise current calibration function, so the current accuracy is higher. Specification: Input / Output voltage: 4V-30V Voltage Resolution: 0.01V Input / Output Current: 0A - 3A Current Resolution: 0.01A Test Capacity Range: 0-19999 mA Accuracy: Plus or minus 1% Line Loss: 0.1 oh or so Test Content: Battery voltage, Current, Discharge capacity (a total of 10 sets of data) Communication Function: Yes Data Calibration Function: Yes Package Weight: 28g Package included: 1 x SB Current Voltage Capacity Tester