A900 OBD2 3.5 inch Vehicle-mounted Head Up Display Security System, Support Car Speed / Engine Revolving Speed Display / Water Temperature / Voltage / Driving Mileage

CMS1921
1. Screen size: 3.5 inch
2. Product size: 90x54x12mm
3. Weight: 40g
4. Display information: speed, engine speed, mileage, water temperature, voltage, manual/automatic brightness adjustment, mileage switching
5. Alarm: Overspeed alarm, too low voltage alarm, too high water temperature alarm
6. Multicolor design makes the screen richer and easier to read
7. Nano technology eliminates double reflection and makes it clearer
8. Automatic startup/shutdown: HUD startup and shutdown, vehicle startup and shutdown, effective protection of car batteries; maintain manual switch mode, easier to control HUD.
9. 5 level brightness adjustment, automatic and manual brightness adjustment mode
10. Products include: 1 * host, 1 * OBD line, 1 * anti-skid pad, 1 * reflective coating, 1 * instructions