USB CHARGER DOCTOR Voltage Tester Current Monitor USB Charger Doctor Power Meter 3V-7V Volt 0-2.5A Amp Reader Multimeter LED Screen Portable Ampere Voltmeters Tester - Blue


Tk 220
  • 100% brand new and high quality
  • It can measure the USB-powered devices empty and.
  • Easy to use and practical.
  • Compact and easy to carry, no additional power supply, plug and play.
  • It can easily measure the output voltage of the USB port and the device operating current or load voltage
  • Detect any USB charger such as PC USB, home charger, car charger.
  • Wide range of applications, any phone, any electronic product, Easy to use.
  • Suitable for factories, laboratories and personal use.
  • Can measure usb interface, cell phone charger, u disk and other products or power supply situation.
  • Voltage: 3V-7.5V error 0.1V
  • Current: 0A-2.5A error 0.01A
  • Size: 53mm x 35mm x14mm(approx)
  • Color: Blue
  • Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

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  • 100% brand new and high quality
  • It can measure the USB-powered devices empty and.
  • Easy to use and practical.
  • Compact and easy to carry, no additional power supply, plug and play.
  • It can easily measure the output voltage of the USB port and the device operating current or load voltage
  • Detect any USB charger such as PC USB, home charger, car charger.
  • Wide range of applications, any phone, any electronic product, Easy to use.
  • Suitable for factories, laboratories and personal use.
  • Can measure usb interface, cell phone charger, u disk and other products or power supply situation.
  • Voltage: 3V-7.5V error 0.1V
  • Current: 0A-2.5A error 0.01A
  • Size: 53mm x 35mm x14mm(approx)
  • Color: Blue
  • Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!





  • 100% brand new and high quality
  • It can measure the USB-powered devices empty and.
  • Easy to use and practical.
  • Compact and easy to carry, no additional power supply, plug and play.
  • It can easily measure the output voltage of the USB port and the device operating current or load voltage
  • Detect any USB charger such as PC USB, home charger, car charger.
  • Wide range of applications, any phone, any electronic product, Easy to use.
  • Suitable for factories, laboratories and personal use.
  • Can measure usb interface, cell phone charger, u disk and other products or power supply situation.
  • Voltage: 3V-7.5V error 0.1V
  • Current: 0A-2.5A error 0.01A
  • Size: 53mm x 35mm x14mm(approx)
  • Color: Blue
  • Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
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