Stealth models feature an N scale 18 pin socket/interface and a pre-installed speaker, allowing you to easily add your preferred aftermarket decoder. Out of the box: model runs in DC with no sound - front and rear lights are directional, but is DCC-Ready. Precision Drive Mechanism Engineered for Heavy Towing and Smooth Slow Speed Operation Electrical Pick-up from Locomotive and Tender Wheels Die Cast Body with Die Cast Chassis for Maximum Tractive Effort Premium Caliber Painting Many Separately Applied Details such as Handrails, Grab Irons, Conduits, Whistle, Bell, Generator, Headlight, and Many More! MicroTrains-compatible Couplers (2) Will Operate on Code 55, Code 70 and Code 80 Rail Minimum Operating Radius: 9 inches