RYSJM | B3 Car HUD OBD2 Head Up Display G3 GPS Speedometer Monitor On Board Computer Windshield Projector Auto Electronic Accessories

Please note:This link has two instruments, B3 (OBD) and G3 (GPS), please read them carefully before placing an order!!! Choosing the wrong option due to personal reasons will result in no refund!Note:1. The OBD head-up display is only suitable for gasoline vehicles.2. Gasoline vehicles with OBD2 agreement produced in the United States after 2004, and gasoline vehicles with OBD2 agreement produced in other regions after 2008 can be used.However, some cars still cannot be used, please contact us to confirm before purchasing.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.)B3 OBD HUD Functions:vehicle speed, tachometer , water temperature, fuel consumption, voltage, time, single driving distance, single driving timeAlarm: overspeed alarm, speed alarm, water temperature alarm, voltage alarm, fatigue driving reminder alarmG3 GPS HUD Functions:Functions: vehicle speed, clock, compass, single driving distance, driving time, number of satellites, altitude, and acceleration time of 100 kilometersAlarm: overspeed alarm, fatigue driving reminder alarm