Viecar4.0 is a multifunctional and Comprehensive car electronic products with smallest body and more chips in the world.2.Viecar 4.0 was designed by Bluetooth 4.0 dual moudle which could support IOS and Android Device.3.Viecar 4.0 transfers data rapidly, with low power dissipation advantage and saves power.4.Viecar 4.0 including fuel consumption analyze and assessment could save oil save money for us.5.Viecar 4.0 also record driving behavior, analyze car information, suggest improvement to help us to correct our bad driving habits.6.By connecting cars ECU and computer it realize 360 degree whole car testing could find out the fault code earlier to help us to deal with it in time. Viecar 4.0 Specifications: Means of communication: Bluetooth Dual (2.0/4.0)Software platform: Android/IOSPower:9V-16VElectric current:45mATemperature: -40 C~85CHumidity: below60%Size:45mm*40mm*18mmModel: for OBDII cars Supported OBD-II Protocol: SAE J1850 PWM (41.6 Kbaud)SAE J1850 VPW (10.4 Kbaud)ISO 9141-2 (5 baud init, 10.4 Kbaud)ISO14230-4 KWP (5 baud init, 10.4 Kbaud)ISO14230-4 KWP (fast init, 10.4 Kbaud)ISO15765-4 CAN (11bit ID, 500 Kbaud)ISO15765-4 CAN (29bit ID, 500 Kbaud)ISO15765-4 CAN (11bit ID, 250 Kbaud)ISO15765-4 CAN (29bit ID, 250 Kbaud) Compatible software: Window: ScanMaster-ELM, ScanTool.net,PCMSCANAndroid: Torque_Pro, DashCommand,EOBD2Symbian: OBDScope Package List: 1pc x Viecar 4.0 Obd2 Bluetooth Scanner Tool