Product function introduction:vehicle speed, water temperature, voltage, fuel consumption, RPM, one-way mileage, one-way time, system time, intake pressure, air-fuel ratio, turbo pressure, acceleration test, brake test, high water temperature alarm, high-speed alarm, high-speed alarm, low Voltage alarm, fatigue driving alarm, read data stream... Compatible range:OBD mode is suitable for most cars with obd2 or EOBD protocol (American cars after 2003, other regions after 2007, start to use obd2 and EOBD protocols)Note, the car must be started after installation for the machine to successfully match the protocolNot applicable modelsAll kinds of trucks, pickup trucks, diesel vehicles, electric vehicles, and passenger cars with more than 7 peopleOBD smart gauge. 9 kinds displayLCD meter| clear fault code| read data stream Independent research and development, new design, reconstruction of the bottom layer, support of multiple protocols enhances stability and dual-core processors to ensure smooth high-speed operationSetting page,Easy to understandEnglish and Chinese are supported, other languages are not supportedFunctions Speed Clock RPM Water temperatureVoltage Fuel consumptionDriving timeDriving distanceOil temperatureAir-fuel ratio Engine load Accelerator testBrake test TurboData stream Clear fault codeSpeed alarm Voltage alarmWater temperature alarmRPM alarm 9 kinds interface, free switchNew driving experienceAdopt imported AI chip, intelligent reminder Speed color will change as different speed 8 interface colors are freely to choose With suction cup bracketDifferent installation ways Speed up testWhen speed reach to 100KM/H, show the acceleration time.Turbo pressurePlease note:lf the car donnot have turbo function,then there is no data.Brake testwhen speed reach to 100km/h,step the brake until car stops show the brake time and distance