KWS-V20 Mini USB Portable LCD Digital Voltage and Current Tester
small sized, easy and convenient to carry
It can measure current and voltage of the power supply equipment with USB port
Plug and play, no extra power supply needed.
Wide range of applications, any phone, any electronic product, such as PC, laptop, power bank, etc, easy to use.
Power protection function
Measuring range: DC 3v - 9v(error: ± 1%), current: 0-3a(error: ± 1%)
you can track your packages after an order has shipped.