2 in 1 Smart Car Safety System: GPS HUD and Vehicle Inclinometer Plug Play The device powers on automatically when the car starts and powers off when the engine is turned off, ensuring simple, worry use. Speed Unit Switch between KM/H and MPH to match your preferred measurement system. Easy Installation Uses the car charging cable for power, enabling compatibility with all vehicles without complex wiring or tools. Key Benefits GPS HUD provides essential driving information in a headsup display, helping you keep eyes on the road. Vehicle inclinometer measures tilt and slope, aiding safe parking, loading, and handling on hills. 2in1 design reduces clutter and provides two safetyfocused features in one unit. Simple, universal setup with no vehiclespecific adapters required. Compatibility and Performance Designed to work with any vehicle via standard charging connection. Quick setup with plug play installation and automatic power management. Delivers reliable speed readouts and tilt information to support safer driving habits. Use scenarios Daily city commuting: HUD displays speed and navigation cues, allowing you to keep attention on the road. Long highway trips: Consistent speed display in your chosen unit and inclinometer awareness for grades and ramps. Parking on slopes or uneven terrain: Inclinometer helps you gauge tilt for safer parking and loading. This product maintains its core functions and specifications: a 2in1 GPS HUD and vehicle inclinometer, plug play operation, speed unit switching, and universal vehicle compatibility via a car charging cable.