NCE HO scale plug-in decoder with NMRA compliant 8-pin plug on 3.5-inch harness. 4 functions and 15 different lighting effects. Instructions included. This smaller-sized decoder replaces the D13SRP. This decoder is designed for HO scale DCC Ready locomotives equipped with an NMRA 8-pin DCC socket. Features: Silent Running™ motor drive Torque Compensation for ultra smooth low speed performance Programmable Start, Mid and Maximum speed works for all speed modes Motor rating .75 Amp continuous, 1.2 Amp stall All 4 function outputs have lighting effects generators Select from 15 different lighting effects (Mars, strobes, beacon, flicker, etc) Function outputs can be mapped to different functions 2 or 4-digit addressing Uploadable speed table interpolated to 128 speed steps 28 and 128 speed mode operation Support for all forms of DCC programming Decoder programming lock mechanism Dimensions: 26mm x 16.5mm x 4.7mm (1.03in x 0.63in x .185in) NCE Warranty