• OBD and GPS dual modules with GPS as the secondary source to capture information
  • Display information includes
  1. Speed, Water/Oil temperature
  2. Voltage
  3. Fuel consumption
  4. RPM
  5. Simple mileage
  6. Driving time
  7. Quantity of Satellites,
  8. Altitude
  9. Time
  10. Air-Fuel Ratio
  11. Turbine pressure
  12. Acceleration test
  13. Brake test
  14. Data flow
  15. Clear the fault code
  16. Alarm for overspeed
  17. Rotation overspeed
  18. Excessive water temperature
  19. Low tension
  20. Engine failure
  • Support different units such as Miles vs Kilometers, PSI vs Bar etc
  • Comprehensive OBD2 Protocol that can fit 98% of the vehicles
  • LED ambient Color light that changes with your driving speed
  • Easy to install, Plug and Play. Comes with mount and dual-sided tape to fix on dash




  • European vehicles in year 2005 after / Vehicles in other regions in year 2008 after
  • OBD2 PROTOCOL ISO9141-2/ISO15765-4 11Bit 500K/ISO15765-4 11Bit 250K/ISO15765-4 29Bit 500K/ISO15765-4 29Bit 250K/ISO14230-4 KWP2000 5BPS/ISO14230-4 KWP2000 FAST
  • Speed Adjustment -9 ~ +9, RPM Adjustment -25% ~ 25%


  • Hybrid Electric Vehicle, Diesel car, Pickup truck, RV, Computer Modified Vehicles. 


<If you are not sure about the protocol of your vehicle, please confirm with us before purchase.> 



With the GPS module as the secondary information source, the following functions can still be used.

  • Speed
  • Driving time
  • Satellite time
  • Altitude
  • Number of Satellites
  • Driving direction
  • Simple Mileage
  • Voltage
  • Acceleration test
  • Brake test
  • Alarm for Overspeed and Low Tension



Working temperature: -40 °C - + 80 °C

Barometric pressure: 86-106KPa

Relative humidity: 10%-95%

Voice environment: <60dB

Working voltage: 11V ~18Vdc (12Vdc/200mA)

Standby current: <20mA



1x HUD

1x OBD2 Cable

1x User Manual

1x 3M Tape

1x Hexagon Wrench

1x Crow Bar

UGAR 4" Multi-Functional Digital Meter Speed Water-Temp Gauge Malfunction Alert

  • We offer return or refund ONLY due to our product defects, so please make sure you order the right product before you precede the payment.


    What is the process to get a Refund or Replacement?

    Customer should report the product defect to UGAR within 7 days after the unit has been received. After your request has been justified by UGAR customer service, you should send out the package within 7 days after our confirmation, otherwise, your return and refund request will be cancelled.


    Customers should pay postage fee first and send the unit back. We offer a maximum payout of US$20 for the freight compensation. We will refund the cost of your original payment or the balance after exchanging other models.



    In most cases, items are defective due to misuse or the lack of installation knowledge. We recommend our customers to ask for professional assistance before installation. We will not be responsible for any fault due to improper use or installation. If there is any question during the installation or use, please feel free to contact us and send us some pictures or videos about the problem which can shorten the time in resolving the problem.

Currency: USD

©2020 by U-GAR International Ltd.

2020 UGAR™. All rights reserved. UGAR is the trademark of U-GAR International Limited.