10 in 1 USB Tester DC Digital Voltmeter Amperimetro Current Voltage Meter Amp Volt Ammeter Detector Power Bank Charger Indicator(White)

AmmetersSpecifications:Voltage: 4-30VVoltage resolution: 0.002ACurrent: 0-5ACurrent resolution: 0.002ACapacity: 0-999999mWhLoad resistance: 1-9999.9Power: 0-150WEnergy: 0.999999mWh: 0-99 hoursInterface: USB24pinTest direction: two-wayDisplay: 0.96 inch color screenColor: White, BlackWeight: 15G (including packaging)Size: 55*26.5*11.5mmPackage Includes:1 x USB TesterFunction Description1: Click to view the saved charging data of 1-9 groups.2: Press the key for 3 seconds to clear the saved charging data of a single group.3: Double click the key quickly to change the display page.4: Press and hold the key for a long time, then in the power again, and enter the voltage calibration, such as the display (5.526V ). Double click the key again quickly, such as the display (5.528V1). Click the key to increase the display voltage.Double click the button again quickly, such as the display (5528V4). Click the button to lower the display voltage.Double click the key again, such as (5.526V -), and then click the key to displayCURRENTCALIBRATION!The system automatically calibrates the current. After the calibration, it will automatically to the main function page for normal use.

• Ammeters
• 10 in 1 USB Tester DC Digital Voltmeter Amperimetro Current Voltage Meter Amp Volt Ammeter Detector Power Bank Charger Indicator