V511 OBD2 Scanner & Battery Tester – Car Diagnostic Tool Color:Grey A proper lube job transforms

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Simply connect the magnetic dock end to your watch and plug the USB end into any standard USB power source — a wall adapter

protected from dust

including RPM

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V511 OBD2 Scanner & Battery Tester – Car Diagnostic Tool Color:Grey A proper lube job transformsV511 OBD2 Diagnostic Scan Tool with Battery Tester Take the guesswork out of car trouble with the V511 OBD2 Scanner a powerful, all in one diagnostic tool designed for any OBDII compliant vehicle made since 1996. Whether that annoying check engine light just came on or you want to monitor your car's health in real time, the V511 gives you professional grade diagnostics right in your hands. No batteries required it powers directly from your vehicle's