Please note that it can only show the real-time working voltage and current of the electrical appliance. It does not have the function of the discharge instrument, that is, it can't set certain voltage and current to discharge! Small size, no power supply and other ancillary equipment, plug and play! Also detect the charging current and voltage of any USB charger (computer USB, home charger, car charger) to determine the performance of the charger and the performance of the charging line to meet the requirements! Wide range of applications, any mobile phone, any electronic product, can be used, easy to operate, suitable for factories, show demonstrations, laboratories and users!

Features:

1. This product can measure the voltage when the USB power supply equipment is empty and load, and the voltage and current when the USB terminal equipment is working.

2, current, voltage cycle display, easy to use and practical.

3, small and easy to carry, no need to connect another power

What is the Universal Data & Charging combo function? Is connected to the phone when connected to the phone can test the charging voltage and current and support the mobile phone data cable charging and downloading (other versions can only be charged can not download data) - recommended general test charger or mobile power performance up to standard, buy this can.