12V Car Battery Monitor Bluetooth 4.0 BM2 Voltage Meter Battery Tester Analyzer

QUICKLYNKS Auto Battery Monitor BM2 Bluetooth 4.0 12V Device Car Battery Tester For Lead acid Battery Compatible with iPhone Android Phone Bundled App. 1pc x Battery Monitor BM2. Check battery state on phone APP via Bluetooth 4.0 when device is installed;.

eBay