0A-3A 3.5V-7V USB Charger Voltage Current Meter Mobile Tester Amper Voltmeter Power Detector

Features: 

 

* Really easy to use and practical.

* No need additional power supply, just plug and play.

* Showing Voltage for 5-6s, then Current for 5-6s, voltage ...current ..

* It can measure the out put voltage of the USB port and the device operating current.

* Working with all USB chargers.

* Easy to find bad USB cables.

* Current flow is very low(0.3-0.5A) and the voltage is 5.1V stable

* Just note, some USB ports are limited to 0.5A, then the voltage drop to 4.7-4.88V (Laptop USBs mostly).

 

Specification:

 

Color: Blue (As the picture shown)

Material: Plastic

Voltage: 3.5V-7.0V error 0.1V (From manufacture data)

Current: 0A-3A error 0.01A (From manufacture data)

Weight: 25g

 

Package includes: 

 

1 x USB Tester

 

Details pictures: