LOPURS W03 4.0 inch Smart Car HUD Vehicle-mounted Head Up Display Fuel Consumption Color LED Model: W03 Data measurements: voice, fuel consumption, engine coolant temp, battery voltage, clock, Vehicle speed, RPM Product size: 10.5 cm x 6.5 cm x 2 cm / 4.1 inch x 2.6 inch x 0.8 inch Package contents: 1 x OBD Cable, 1 x Reflection film, 1 x Host Fixed Pad, 1 x User Manual Screen: 4.0 inch