The Revotec Electronic Speed Sensor To Suit Revotec, Racetech & Smiths Speedometers is a magnetic pick up sensor which is suitable for most types of electronic speedometers including Revotec, Racetech and Smiths.Supplied with lock nuts to attach to a bracket or panelThe LED lights up when a signal is producedThe sensor has a 33mm body length and an M8 thread
