• This product is used to monitor 12V BATTERY SYSTEMS VIA BLUETOOTH.
• After installing it to the battery, the mobile can connect it.
• When some problems happen in the battery, cranking, and charging system, it can send a notification alert to the user.
• The user also can test and review the rip record via the app.
• Your car’s battery manager

Try out the Bluetooth Battery Monitor Auto Car Motor 12V Battery Voltage Tester Wireless Free Mobile APP Real Time NOW!