The GPS Speedometer gives military series HMMWV drivers accurate, real-time speed without relying on transmission connections, speed sensors, or calibration. It uses satellite-based speed data to simplify installation and deliver dependable operation across stock drivetrains, replacement powertrains, and custom military vehicle builds. A precision stepper motor keeps the needle smooth and steady, giving you clear, easy-to-read speed data at a glance. Built with a durable housing and solid aluminum bezel, it’s made for the rugged demands of HMMWV use and long-term service. Made in the USA and backed for life.