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

• 10 in 1 Functionality :This USB tester has 10 different functions, making it a versatile tool for all your electrical needs.
• Digital Voltmeter and Amperimeter :The product features a digital voltmeter and amperimeter, allowing you to measure voltage and current with precision.
• Power Bank and Charger Indicator :The USB tester also doubles as a power bank and charger indicator, making it a convenient tool for travel or on-the-go use.
• Compact and Portable :The small size of the USB tester makes it easy to carry around, making it a great tool for electricians or DIY enthusiasts.
Description:
10 in 1 Digital Dispay 4-30V DC USB Tester Current Voltage Charger Indicator Power Bank Battery Capacity Volt Meter Detector Timing Ammeter Voltmeter
Specification

Function Operation Instructions

1. Click the button to view the charging data saved in groups 1-9.

2. Press and hold the button for 3 seconds to clear the charging data saved in a single group.

3. Quickly double-click the button to change the displayed page.

4. Press and hold the button for a long time and then plug in the power, enter the voltage calibration and enter the display: (5.526V→), double-click the button quickly again, as shown (5.528V1), click the button to increase the displayed voltage.

Quickly double-click the button again if it shows (5.528V4) and click the button to lower the displayed voltage

Quickly double-click the button again to display (5.526V-), and then click the button to display CURRENT CALIBRATION!

Note:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.