DROK 48v Battery Meter, 10-100v Marine RV Battery Capacity Volt Monitor 12v 24v, Lithium Battery Voltage Fahrenheit Temp Indicator Gauge Size:48v Use Instruction(Compatible with Mercedes-Benz car

Use Instruction(Compatible with Mercedes-Benz car Only): put the plug into the MMI port (Very Important: please confirm your car have MMI Interface like picture show

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DROK 48v Battery Meter, 10-100v Marine RV Battery Capacity Volt Monitor 12v 24v, Lithium Battery Voltage Fahrenheit Temp Indicator Gauge Size:48v Use Instruction(Compatible with Mercedes-Benz carDROK 48v Battery Meter, 10 100v Marine RV Battery Capacity Volt Monitor 12v 24v, Lithium Battery Voltage Fahrenheit Temp Indicator Gauge DROK has been engaged in technical research, development, manufacture and sale of all kinds of battery meters for many years. With acquisition of leading technology, we strictly enforce quality management system and improve operational management, dedicate to produce high performance meters for customers. "Integrity,