The BM2 Bluetooth Battery Monitor is a 12V car battery tester specifically designed for lead acid batteries such as flooded, AGM, and gel. It comes with a user manual and has a multi-language interface for ease of use. This unit, manufactured by BM2, provides accurate and efficient testing for your automotive battery needs. With its Bluetooth connectivity, you can easily monitor and diagnose your battery's health remotely. Ideal for car enthusiasts and professionals alike, this battery tester offers convenience and reliability in one compact device.