This Multi-Train System locomotive decoder offers a programmable “back-EMF“ function to keep your locomotive running at a steady speed through curves and on grades. This MTS decoder also features a built-in memory function for more reliable operation on dirty track. With the Universal Remote Controller (LGB 55015) or the MTS PC Decoder Programming Module (LGB 55045) you can program special decoder functions including starting voltage, and acceleration and braking delay. Locomotives with decoders can run on conventional analog layouts without modifications. 55 x 25 mm / 2-3/16“ x 1“. Total power output 0.8 amps.