✅ DescriptionHead-Up Display (HUD) Speedometer – A 5.5-inch HD car speed display with plug-and-play OBD2/EUOBD compatibility, offering real-time driving data for safer and smarter journeys. ✅ Overview✔ Plug & Play setup – Connects easily via OBD2/EUOBD port, no complex installation needed.✔ Comprehensive data display – Shows speed, RPM, water temperature, voltage, fuel consumption, gear, throttle, and more.✔ Driver alerts – Provides engine fault codes, overspeed alarms, and call/SMS reminders for added safety.✔ Automatic power ON/OFF – Syncs with vehicle ignition, saving battery life, plus manual switch option.✔ Customizable display modes – Switch between default, high-speed, or auto mode, with km/miles conversion.✔ Brightness adjustment – Adapts automatically to lighting conditions, ensuring clear, glare-free visibility day or night. ✅ Product Information Category: Car Head-Up Display (HUD) Screen Size: 5.5-inch HD display Compatibility: Cars with OBD2 & EUOBD ports Display Functions: Speed, RPM, water temp, voltage, fuel use, gear, throttle, engine codes, call/SMS alerts Power: Auto ON/OFF with ignition + manual control Special Features: Overspeed alarm, 4-stage alert system, adjustable brightness (auto/manual)