L2 OBDII HUD OBD 2 Car Head up Display with Overspeed Warning Vehicle Speed, 501 Original

L2 OBDII HUD OBD II 2 Car Head up Display Windshield Projector with Overspeed Warning Vehicle Speed Water Temperature VoltageFeature:1. Ambient light: change color automatically with RPM or vehicle speed, 4-color: blue, yellow, red, green2. Smart photosensitive3. Small and concise4. Plug and playSpecification:Product size: 80x45x13 mm/3.15x1.77x0.51\\\"Product weight: 40gPacking box size: 180x88x50 mm/7.09x3.46x1.97\\\"Gross weight: 180gApplicable model: for cars with OBD2 protocol interface Display function:1. Speed2. Variable color ambient light3. Water temperature4. Voltage5. Display mileage when engine shut down6. Overspeed alarm7. Shift reminder and alarm8. High water temperature alarm9. Undervoltage alarmNote:There may be slight size deviations due to manual measurement, different measuring methods and tools.The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.