Dakota Digital Direct Plug-In Speedometer for Big Dog Models with Factory Tach Ring BD-140-R 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/kph 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