USB Power Meter Tester, LCD Backlight Voltmeter Ammeter 4-30V

1 USB tester, can be used to measure battery voltage, current, discharge capacity, etc. 2 Equipped with LCD backlight display, which can display voltage, current and battery capacity data at the same time for easy viewing. 3 Can be used to test the charging voltage and current of electrical appliances such as mobile phones, tablets, mobile power supplies and so on. 4 Support multiple sets of detection data saving, power down saving function, can detect the output battery capacity of mobile power supply. 5 Plug the USB male connector of the detector into a 5V USB charger, plug the female jack into a mobile phone, tablet, mobile power supply and other devices, and directly read the voltage and current parameters. 6 Test the output voltage and current of the power supply and mobile power supply (it must be matched with the load device): plug the detector USB male into the 5V USB charger, and plug the bus into the USB load device to directly read the voltage and current parameters.

What's in the box
1 x USB Tester Meter