This is a DC voltage meter
It is an Android 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 software can see the measured signal waveform,with data saved and other functions
Portable and easy to carry
Measurement Range: -40~ +40V
AD Conversion Rate: 15~240SPS
USB Communication: 115200BPS
Accuracy: 1%
Colour:Black+white
Material:plastic
Package Contents:
1 x Voltmeter
4 x ProbeOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.