Comprehensive functionality This multifunction headsup display (HUD) provides realtime GPS positioning, speed, altitude, ambient temperature, and humidity readings. It delivers essential vehicle data at a glance to improve situational awareness and driving safety. Reliable waterproof design Built to perform in all weather, the unit carries an IP65 waterproof rating. It operates from a DC 524V power supply, allowing compatibility with a wide range of vehicles and power setups. Real accuracy Dual positioning modes combine GPS and Beidou for sensitivity tracking. Accurate data display is maintained across different environments, reducing fluctuations caused by satellite visibility or weather. Efficient power management The HUD automatically turns on and off with the vehicle when connected to a USB power supply, ensuring no battery drain when the device is not in use. Use scenarios Daily city commuting: See your speed, altitude, temperature, and humidity at a glance while navigating busy streets, helping you stay focused on the road. Long road trips in varying conditions: The IP65rated, dualGPS/Beidou system maintains reliable and accurate readings in rain, dust, or changing landscapes. Fleet or service vehicles: USBpowered operation provides seamless on/off control across multiple vehicles without replacing or charging batteries, simplifying installation and management. This description preserves the original product's functionality, compatibility, and performance while presenting clear, customeroriented benefits and practical applications.