All-in-one Digital GPS Speedometer Odometer that provides speed measurement, navigation, altitude tracking, and ambient monitoring of temperature and humidity. Key benefits - Comprehensive function: simplify your system with speed display, navigation guidance, altitude awareness, and environmental readings in one device. - Wide compatibility and resilience: works with DC 5-24V and features an IP65 waterproof rating to perform reliably in rain, dust, and harsh conditions. - Accurate real-time data: GPS and Beidou dual positioning deliver precise, timely information with minimal interference from external factors. - Smart power management: automatically turns on and off with the vehicle and includes a USB power supply to conserve energy when not in use. Why you need this product - Reduces the need for multiple instruments by combining essential vehicle data in one unit. - Provides environmental context (temperature and humidity) for safer, more informed operation. - Built to perform in varied weather and environments while delivering dependable speed, navigation, and altitude information. Use scenarios - Daily commuting or fleet work: view speed, follow navigation, and monitor ambient conditions at a glance. - Outdoor activities and rides: reliable navigation and altitude awareness on motorcycles, ATVs, boats, or off-road trips, with weather data on hand. - Harsh work environments: automatic power management and durable performance in construction, farming, or delivery trailers.