Dakota Digital Big Dog Speedometer Features: Upgrades the analog speedometer to digital while retaining use of the factory tachometer and indicator lights Fits inside factory tach ring and housing and plugs directly into factory wiring harness High-brightness readout with automatic nighttime dimmer Adjustable 0-199 mph/km/h speedometer Odometer with two resettable trip meters Stores and displays high speed recall, high rpm recall, 0-60 time, 1/4 mile time and 1/4 mile speed