13 in 1 USB Tester DC Digital Voltmeter Amperimetro Voltage Current Volt Meter Ammeter Detector for

Feature: 1. With LCD design, current, voltage and battery capacity can be display on the same screen, its very convenient and quick to know them. 2. The voltage and current parameters can be read directly by plugging the USB male connector into the micro?usb of charger, mobile phone and other devices. 3. When the mobile power supply is off, the capacity and energy data can be stored to facilitate the follow?up inspection and facilitate the measurement of the capacity and energy of the mobile power supply. 4. No need for professional wiring, as long as the USB port is plugged in, you can real?time detection of USB power charging status, voltage and current capacity and other indicators. 5. 9 groups of charging equipment can be input MAH to save power , convenient to check and detect whether the charging equipment capacitance is false data. Specification: Item Type: USB Tester Material: ABSVoltage: 4-30VCurrent: 0-6.5AMah: 0-999999 mahMwh: 0-999999 MwhTiming: 0-99 hoursPower: 0-150WCharging Resistance :0-999.9 ohmsGrouping: 1-9 groupsInternal Temperature: 0-80 celsius D Positive Voltage: 0-10VD Negative Voltage: 0-10VKeypad: Function buttonInterface: USBHow to Use: 1. Click the button to view the charging data saved by groups 1-9.2. Long press the button for 3 seconds to clear the charging data saved by a single group3. Quickly double click the button to change the display page4. Long press this button and then plug it in to enter voltage calibration. Package List: 1 x Digital USB Voltmeter Tester1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.