Feature 1Display speed and rotate speed data information, can provide speed alarm and overspeed alarm. 2Measure water temperature and voltage, low voltage alarm and water temperature alarm. 3Mileage will be displayed when the engine is flameout, convenient and fast data recording. 4By preventing the driver from looking down at the dashboard, the HUD ensures driver safety and helps the driver stay in best state. 5Exquisite and careful design, highdefinition lens display, not affected by external light.Item Type: HeadUpDisplayMaterial: ABSApplicable:UniversalFunction:1. Speedperhour.2. Rotate speed3. Water temperature4. Voltage5. Turn off and display the mileage6. Speeding alarm7. Rotate speed alarm8. Low voltage alarm9. Water temperature alarmOperating Instructions: Simply connect the head-up display (HUD) to the Onboard Diagnostic Interface (OBD) through the OBD line and when the car engine starts, the head-up display (HUD) is displayed. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host1 x OBD Line1 x Reflective Film1 x Hood1 x Double-Sided Adhesive1 x InstructionsNotePlease allow for errors due to manual measurement.