VoltOTG is a DC voltage meter, it is an Android mobile phone voltage meter which based on the USB OTG interface , through the matching adapter it can also be connected to the computer USB port.VoltOTG probe to the USB is not any isolated, so it is not recommended to measure high voltage.
The matching Android mobile phone software can see the measured signal waveform,with data saved to the file and other functions.
Note: Android mobile phone must support the OTG function then it can be used
