trancetron Rated Voltage: DC12V/DC24V Compatible Vehicle Speed Sensors: 4.0 pulse type (2,548 pulses/km) 8.0 pulse type (5,096 pulses/km) 16.0 pulse type (10,192 pulses/km) 25.0 pulse type (15,925 pulses/km) It's in beautiful condition with no noticeable dirt or scratches, but the rear terminals are slanted, which is a concern. It was working without problems until it was removed, but it has been stored indoors for several years since removal, so the current operation has not been confirmed.