Protocol: 1. SAE J1850 PWM (41.6Kbaud) 2. SAE J1850 VPW (10.4Kbaud) 3. ISO9141-2(5 baud init, 10.4Kbaud) 4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud) 5. ISO14230-4 KWP (fast init, 10.4 Kbaud) 6. ISO15765-4 CAN (11bit ID, 500 Kbaud) 7. ISO15765-4 CAN (29bit ID, 500 Kbaud) 8. ISO15765-4 CAN (11bit ID, 250 Kbaud) 9. ISO15765-4 CAN (29bit ID, 250 Kbaud)u Hardware performance parameter introduction: Main control chip: STM32F103VET6 Working voltage: DC 836V Working current: 50mA Standby current: 5mA Operating environment: -2065 Storage temperature: -3080 It has the following features: 1. Support nine OBD II/EOBD standard protocols; 2. Support vehicle fault diagnosis, real-time data stream, freeze frame; 3. Oil service reset function supports various mainstream models; 4. With I/M emission testing data; 5. Retrieve vehicle information (VIN, CIN and CVN); 6. 3.97 inch display, 800*480 resolution; 7. Strong reliability, wide power supply voltage range of 8~36V, with stronger overcurrent and overvoltage protection functions; 8. Support 10 languages: Chinese, English, Traditional Chinese, French, Spanish, Portuguese, Thai, Indonesian, Polish, Turkish;