Comprehensive functionality The Digital GPS Speedometer Odometer offers multifunctional capabilities including speed measurement, navigation, altitude tracking, and environmental monitoring for temperature and humidity. Reliable and compatible Voltage compatibility is DC 524V and it features an IP65 waterproof rating, designed to withstand various weather scenarios while providing consistent performance. Precise and timely data GPS plus Beidou dual positioning technology ensures accurate real time data display without interference from external conditions. Efficient power management Automatically turns on and off with your vehicle and includes a USB power supply that conserves energy when not in use. Use scenarios Daily driving and navigation Ideal for cars and motorcycles to monitor speed, follow routes, observe altitude changes, and track ambient temperature and humidity during commutes. Long haul and fleet operations Suitable for trucks, caravans, and other larger vehicles to provide reliable speed readings, navigation guidance, altitude awareness, and environmental monitoring on extended trips. Outdoor work and equipment Helpful for construction, agricultural, and other outdoor vehicles to deliver accurate position data and weatherrelated readings in varying conditions.