This application is a tool to correct the voltage value of ELM327 Bluetooth device to be connected to the vehicle OBD2 terminal.
The ELM327 chip, there is a function for correcting the acquired voltage value.
There are things that are in the commodity (ELM327 Bluetooth devices) that are shipped not be corrected properly, the voltage display you can correctly By correction set in this app.

By all means, correct voltage value using this app will help you to be displayed! (^ O ^) /

【Caution! ]
To use it, you must have ELM327 Bluetooth device.
Also voltage tester (digital is recommended) in order to measure the voltage of the vehicle is required.

【Notices】
The developer of this app is authenticated to the official developers of andro riders as a developer of safe and secure application.
https://androider.jp/developer/a390a200d20e88ee98558b537629b9a0/