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Home > Hot Products > Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
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Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier
Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier

Custom Multi-Function Race Dashboard LCD Display by China Suppliers – OBDII Bluetooth Connection Racing Gauge from Factory Manufacturer, Supplier

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Enhanced Digital Multi Gauge Display: Our digital multi gauge display offers a clear and concise presentation of essential vehicle data, ensuring drivers stay informed while on the road.

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Universal OBDII Compatibility: Designed for seamless integration, this product is compatible with vehicles that adhere to OBDII standards, allowing for a tailored dashboard experience that meets the needs of every driver.

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Simple Installation Process: With a user-friendly installation stand and straightforward instructions, setting up this gauge on your dashboard is quick and effortless, making it perfect for any vehicle.

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High-Definition LCD Screen: Experience superior visuals with our advanced LCD screen, enhancing usability and providing clear readability, a crucial feature that sets us apart from other China suppliers and manufacturers in the automotive accessories factory.

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Product Description

📊 Display Content
  • RPM
  • Speed
  • The amount of fuel remaining in the tank (%)
  • Position of accelerator pedal (%)
  • Vehicle Load Rate (%)
  • Coolant temperature (°F – °C)
  • The power supply voltage (V)
  • Current time
  • The multi-function display area (display one of the values)
🖥️ Multifunctional Display
  • Date
  • Speed Value (RPM)
  • Intake Pressure (MAP)
  • Intake Air Flow (MAF)
  • Inlet Air Temperature (IAT)
⚙️ System Setup Menu
  • Set Date
  • Set Time
  • Set Unit (BAR–PSI, KM/H–MPH, °F–°C)
  • Set Led (ON–OFF)
  • Set Alarm
  • Set Binding OBD2
  • Set BLT (Backlight)
Multi-Function Race Dashboard Racing Panels LCD Display Dashboard Racing OBDll Bluetooth Connection Racing Gauge DO903
🔧 Fitment
  • All 12V OBDII Vehicle
📦 Package Include
  • Display
  • Power Wire
  • Bluetooth OBD2 Unit
  • Display Mount
  • Instructions Manual
🔔 Alarm Setting
RPM & Speed — Warns via audible alerts and indicator lights, featuring a buzzer and 8 LED indicators.
☀️ Brightness Adjustment Function
Users can choose to adjust the brightness manually or automatically according to the current environment, providing three brightness levels and an automatic sensitivity option.
📌 Tips
We provide a one-year warranty (excluding damage caused by human factors). All warranty claims require proof of professional installation.
Manual measurement — please allow 1–3 mm error. Due to the difference between different displays, the picture may not reflect the actual color of the item. We guarantee that the style is the same as shown in the picture. Please understand, thank you!
❓ Frequently Asked Questions
Q What vehicles are compatible with the DO903 racing dashboard?
The DO903 is compatible with all 12V OBDII vehicles. As long as your car supports the OBDII standard and runs on a 12V system, this display will work seamlessly via the included Bluetooth OBD2 unit.
Q How does the Bluetooth OBD2 connection work?
The included Bluetooth OBD2 unit plugs into your vehicle's OBD2 port and wirelessly transmits real-time data to the DO903 display. You can bind the OBD2 device through the System Setup Menu under "Set Binding OBD2."
Q Can I set custom alarm thresholds for RPM and Speed?
Yes. The DO903 features a built-in alarm system for both RPM and Speed. When values exceed your set thresholds, the unit warns you via an audible buzzer and 8 LED indicator lights for immediate attention.
Q Does the display support both metric and imperial units?
Yes. Through the System Setup Menu, you can switch between BAR/PSI for pressure, KM/H/MPH for speed, and °F/°C for temperature — making it suitable for drivers worldwide.
Q How does the brightness adjustment work on the DO903?
The DO903 offers both manual and automatic brightness adjustment. In automatic mode, the display adapts to the surrounding environment. Manual mode provides three distinct brightness levels for your preference.
Q What is the warranty policy and what does the package include?
The product comes with a one-year warranty, excluding damage caused by human factors. All warranty claims require proof of professional installation. The package includes the display unit, power wire, Bluetooth OBD2 unit, display mount, and an instructions manual.

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