USB Charger Doctor Voltage Current Meter Mobile Battery Tester Power

This is the mini USB meter.  It can measure voltage, current, power and capacity. 
It can clearly display all the data. 
Can easily measure the USB ( PC USB, cell phone charger, car charger, mobile power, etc.) port and device operating current and the output voltage charge-discharge capacity, performance, and judge the performance of the charging cable charging equipment, this tester can meet the requirements. 
Wide application.  Easy to use, easy to take alone, no additional power supply. 
Plug and play. 

Specifications:  
Item Name: USB Current Voltage Tester 
Material: Plastic 
Voltage: 3-9V ±1% 
Current: 0-3A ±1% 
Display: Digital Display 
Time: 0-99H 
Features: Durable, Easy to Use, Portable, Useful, Mini 
 

Package Included:

1 x USB Current Voltage Tester​