1Innovative Design: OBD2 scanner helps you create your exclusive Hud and dashborad. Detection method and warning method are extended unlimitedly. 2Rapid Fault Detection: Automatic diagnosis of vehicle faults, and timely alarm when abnormal vehicle is found to ensure driving safety. 3Multiple Alarms: High water temperature alarm, fatigue driving alarm, and driving speed alarm, prompting improper driving habits. 4Energy and Fuel Saving: Clearly display instantaneous fuel consumption, average fuel consumption and fuel cost. Provides driving analysis and fuel consumption assessment. 5Software Platform: Support for android, for ios, for windows, support vehicle obd2 protocol. Firmware upgrades are supported, allowing continuous innovation.