RYSJM | B2 Car Diagnostic HUD OBD2 Automotive Head up Display Car tachometer Water Temp RPM Alarm Smart Multifunction Screen Projector

Note:Auto-match models, Plug and PlayAccording to OBD or EUOBD,( the on-board auto-matic diagnosis system) plug and play.- Judgment method:Open and find the sticker under the hood.lf OBD2 CERTIFILE can be installed (as shown in Figure 1)Or check whether there is an automobile diagnosis port under the steering wheel (as shown in figure 2)(u.s. cars can be used after 2004 and most other cars after 2008.)Function:Vehicle speed, clock, water temperature, voltage, fuel consumption, single driving mileage, single driving time, 100 kilometers acceleration testAlarm:Overspeed alarm, speed alarm, voltage alarm, water temperature alarm, fault code alarm, fatigue driving reminder alarmPackage Included:1xHead Up Display