USB Charger Doctor Voltage Current Meter Tester for Laptop Desktop USB Power

Brand: Envistia Mall

Features:

• Plug the tester between the USB port and the device you would like to test, and the voltage and current will be displayed on the tester’s LED display. (The display alternates between voltage and current.)
• Ideal for testing the functionality of all of the old USB power supplies you have accumulated. You can also plug this device into your desktop or laptop computer’s USB ports to display its output voltage and current
• Displays voltage from 3.5-7VDC and current up to 3A

Details: This handy USB voltage and current (amperage) meter is easy to use, simply plug the tester between the USB port and the device you would like to test, and the voltage and current will be displayed on the tester’s LED display. (The display alternates between voltage and current.)
This tester is ideal for testing the functionality of all of the old USB power supplies you have accumulated. You can also plug this device into your desktop or laptop computer’s USB ports to display its output voltage and current.
Charger Doctor Features & Specifications: Compatible with USB 1.0, USB 1.1, USB 2.0, USB 3.0 ports. Operating System Independent. No drivers or software necessary, the values are displayed in the tester itself. Voltage Range: 3V ~ 7.5V Current Range: 0 ~ 2.5A Voltage Resolution: 10mV Current Resolution: 1mA Error range: Voltage