VJOYCAR Hud GPS OBD Computer Car Speed Projector Digital Speedometer Display Fuel Consumption Temperature Gauge Diagnostic Tool

Brand Name: VJOYCAROutput Frequency: P10 Onboard Car Computer T600 GPS Speedmeter On-board Car ComputerRated Power: P10 OBDII Hud OBD2 Smart Digital Meter T600 GPS HUD Head Up DisplayWire or Wireless: WiredSize Name: 73*68*46(mm) 2.6"T600 GPS Speedometer Display: Speed, Time, Voltage, Instant Travel DistanceP10 OBD Speedometer Display: Speed, RPM, Water Temperature,Voltage,Fuel Consumption, Coolant, OdoGPS Speedometer Disadvantage: Can't show fuel mileage and other obd dataOBD Speedometer Disadvantage: Oonly works with latest cars with obd2 portGPS Speedometer Advantage: Wide apply for all vehiclesOBD Speedometer Advantage: Could read all engine data as long as the engine protocol openModel No.: OBD2 HUD P10On-computer Speedometer: GPS HUD T600