NCE HO scale 8-pin EPF (extended packet format) plug-in decoder (version 3.5). 6 functions and 15 different lighting effects. Easy to install. Instructions included. Fits standard NMRA medium 8-pin DCC socket. This decoder is designed for HO scale locomotives such as: Atlas GP40, GP7, U23B , U30-7, U30B, U33C, U36C Bachmann Spectrum steam locomotives Kato C44-9W, RS2, RSC2, SD40-2 & SD45 Intermountain F7 LifeLike FA1 Stewart VO-1000 and others. 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 1 Amp continuous, 1.5 Amp peak (stall) All six function outputs have lighting effects generators Select from 15 different lighting effects (Mars, strobes, beacon, flicker, etc) Lighting outputs can be mapped to different functions Uploadable speed table interpolated to 128 speed steps Decoder assisted consisting Support for all forms of DCC programming Decoder programming lock mechanism Brake on DC feature assists automatic train control Dimensions: 21.0mm x 16.5mm x 2.8mm (.80" x .65" x.11")