This auction for one brand new ELM327 V1.5 WiFi Bluetooth OBD2 OBDII Car Diagnostic Scanner Code Reader ToolQ:Does firmwareV1.5 better than V2.1?A:Yes,firmwareV1.5 is more stable than V2.1 ,also from many buyers' feedback,V1.5 supports more protocols and car brand .You may have following parameters read out from your vehicle:Vehicle SpeedRPMFuel Consumption*Engine Coolant TempFuel PressureCalculated Engine LoadThrottle PositionIntake Manifold PressureAir Intake TempTiming AdvanceMass Air FlowFuel LevelBarometric PressureEVAP System Vapor PressureFuel TrimNote:Your vehicle may not support all above parameters.How many parameters you can get is depended on the vehicle manufacturer’s implementation.Multi-Protocol Support:SAE J1850 PWM (41.6 kbaud)SAE J1850 VPW (10.4 kbaud)ISO 9141-2 (5 baud init,10.4 kbaud)ISO 14230-4 KWP (5 baud init,10.4 kbaud)ISO 14230-4 KWP (fast init,10.4 kbaud)ISO 15765-4 CAN (11 bit ID,500 kbaud)ISO 15765-4 CAN (29 bit ID,500 kbaud)ISO 15765-4 CAN (11 bit ID,250 kbaud)ISO 15765-4 CAN (29 bit ID,250 kbaud)SAE J1939Vehicle Coverage:Work with all models that support the OBD2 standard ( Acura,Alfa Romeo,Ariel Atom,Aston Martin,Audi,Bentley,BMW,Buick,Cadillac,Chevrolet,Chrysler,Citroen,Daewoo,Daihatsu,Daimler,Dodge,Ferrari,Fiat,Ford,Geo,GMC Holden,Honda,Hummer,Hyundai,Infiniti,Isuzu,Jaguar,Jeep,Kia,Lamborghini,Lancia Land Rover,Lexus,Lincoln,Lotus,Maserati,Mazda,McLaren,Mercedes,Mercury,MG,Mini Mitsubishi,Nissan,Oldsmobile,Opel,Pagani,Panoz,Peugeot,Plymouth,Pontiac,Porsche Regal,Renault,Rolls Royce,Roush,Rover,Saab,Saleen,Saturn,Seat,Scion,Shelby Skoda,Smart,Subaru,Suzuki,Tesla,Toyota,Triumph,TVR,Vauxhall,Volkswagen,Volvo,Yugo etc...).Note: This item is not available for pickup. It will be dispatched from our supplier warehouse directly .- All items will be shipped out within 1-2 business days after your payment is received.