![USB Voltage Ammeter, DiyStudio Type-c Tester Color Meter Bi-Directional Itester](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Current, voltage, power, capacity, resistance, timing time, capacity group numbers, Celsius, Fahrenheit, quick identification and other parameters can display various parameters on the screen.It detects the charging status of electrical appliances in real time, monitoring charging voltage and current in real time, and check many other parameter information at a glance.Display On/Off Function: Multi-function Button Short Press Switch interface for OFF display of remaining screen interface, but also can be used to charge devices at nightTEST A VARIETY OF USB AND Type-C DIGITAL DEVICES: Easily test a variety of chargers, data cables, charging holes, laptops, cell phones, Type-C digital devices, etc.