RYSJM P24 OBD + GPS Car Head-Up Display – Digital Speedometer HUD with Fuel Consumption, RPM & Alarm Alerts (EU OBD Plug & Play)

The RYSJM P24 OBD + GPS Head-Up Display is a powerful on-board computer that displays real-time vehicle data directly in your line of sight. Using both OBD and GPS, it provides accurate speed, fuel consumption, RPM, voltage, and safety alerts while keeping your focus on the road.

• 📡 Dual system: OBD vehicle data + GPS speed
• 🚘 Plug & Play EU OBD interface
• ⛽ Fuel consumption & trip mileage display
• 🔔 Multiple alarms: speed, coolant, RPM & voltage
• 🌈 RGB lighting with speed or RPM color modes
• 🌞 Automatic & manual brightness control

• EU OBD-compatible vehicles
• US vehicles after 2003
• Most other vehicles after 2007
• OBD diagnostic port required

• Brand: RYSJM
• Model: P24
• Item Type: OBD + GPS Head-Up Display
• Speed Source: OBD speed / GPS speed
• Rated Power: 20W
• Size: 16 × 10 × 7 cm
• Connection: Wired (OBD)
• Origin: Mainland China
• High-Concerned Chemical: None

• P24 OBD + GPS HUD: Vehicle diagnostics + GPS accuracy
• GPS-only HUD: Speed display only, no engine data

• Locate the OBD diagnostic port
• Plug the HUD into the OBD interface
• Start the engine for automatic data reading
• Adjust display, alarms, and brightness if needed

• P24 Head-Up Display ×1

• OBD compatibility required for full functionality
• GPS speed available when OBD data is limited
• Brightness and alarm thresholds are adjustable