Digitrax DCC HO Scale SFX0416 Sound Decoder... FEATURES: Small Footprint - The Decoder Is Only 1.2" X .405" X .175", Preloaded With Selectable Steam & Diesel Sound Schemes, Wired Style Decoder - Requires Soldering, Wired Style Decoder - Requires Soldering, 1 Amp Current Rating - FX3 Outputs, This Decoder Is "Sound Only" - It Does NOT Control Motor Or Light Functions - A Seperate Decoder Is Required For Motor & Light Functions And Is Not Included and Includes 28mm 8 Ohm Speaker & 330uf Capacitor (*). (*) The Speaker Is To Large For N Scale But Some Digitrax"s Information Was Published That Indicates It Will Fit - This Was Printed By Digitrax In Error.