Comprehensive functionality A Digital GPS Speedometer Odometer with speed measurement, navigation, altitude tracking, and environmental monitoring for temperature and humidity, enabling active monitoring of vehicle performance and surroundings. Reliable and weatherready Voltage compatibility DC 524V and IP65 waterproof rating provide operation across varied weather conditions with reliable performance. Precise realtime data GPS and Beidou dual positioning deliver accurate realtime data display without interference from external conditions. Efficient power management Automatically turns on and off with your vehicle to enhance convenience, and includes a USB power supply to conserve energy when not in use. Why you need it Combines speed, navigation, altitude, and environment monitoring in one unit for a single, integrated solution. Built to perform reliably in diverse climates thanks to IP65 protection and broad voltage compatibility. Dual GNSS positioning improves accuracy and reduces signal disruption for dependable readings. Practical use scenarios Daily driving and road trips: monitor speed, follow navigation, and track trip data in real time. Outdoor or variable conditions: keep track of altitude and ambient temperature/humidity during outdoor travel or work. Fleet and service use: rely on automatic power management and precise data for vehicle monitoring and performance checks. Key attributes at a glance Function: speed measurement, navigation, altitude tracking, temperature and humidity monitoring Compatibility: DC 524V input, IP65 waterproof rated Performance: GPS plus Beidou dual positioning for accurate realtime data Power management: auto on/off with vehicle, USB power supply for energy efficiency Application: suitable for vehicles requiring integrated speedometer, odometer, navigation, and environmental monitoring in a single device