These MMB electronic gauges are equipped with modern StepTech measurement technology: an extremely compact electronic stepper motor using very small SMD components. The result is a perfectly balanced pointer movement and ruggedness against vibrations.MMB instrumentsare highly impact resistant: tested to more then 10G impacts. LCD display shows different information: you can cange function with a push button. This speedometer is programmable for any motorcycle: works with all speed sensors, Hall and Reed effect models. The sensor must be purchased separately: the speedometercan also be wired to OEM speed sensordepending on the motorcycle.