SUPPORT MULTIPLE SYSTEMS: The vLinker MS bluetooth obd2 scanner compatible with Android, iOS, and Windows operating systems. The wireless portable design makes it easy to diagnose car trouble problems without the need to go to the auto body store for costly repairs; INEXCLUSIVE VEHICLE DIAGNOSTIC TOOL: The vLinker MS bluetooth obd2 scanner won't obstruct the driver's legroom and features unmatched performance, smart sleep modes, anti-hacking security and superior third-party app support; NEW GENERATION UPGRADE: vLinker MS Bluetooth obd2 scanner adds CH-CAN and LS-CAN on top of vLinker FS Bluetooth, and single wire CAN (GMLAN) can be compatible with more car models, providing more choices for customers; BATTERY SAVER AND PROTECTION TECHNOLOGY: Automatic sleep and wake-up modes, over-voltage and battery drain protection, free firmware updates. Working current is 28mA, after stopping the car and turning off the engine, it will enter into hibernation state in about 20 minute