Features: Ditch lights Number boards, sand fill hatch, and marker lights where appropriate by railroad (8-40CW only) Realistic die-cast underframe Highly detailed coupler cut bars Multiple unit hoses and trainline hoses Five-pole skewed armature motor with dual flywheels for optimum performance at all speeds Separately-installed scale windshield wipers, metal grab irons and fine scale handrails Directional lighting Painted crew members Snowplow and piping on trucks Recommended minimum radius: 22 NOW WITH UPGRADED FEATURES! Metal Couplers Improved headlight/ditchlight color and brightness Independently controlled lit number boards Independently controlled lit marker lights (for appropriate road names) Improved windshield glazing Etched metal windshield wipers New cab side without sunshade mount track (for appropriate road names) Atlas Master Series Silver Additional Features: NMRA 21-pin plug for DCC (Decoder-ready) Atlas Master Series Gold Additional Features: Supports all DCC-programming modes Flexible mapping of function keys F0 to F31 . Follows all NMRA DCC standards and recommended practices. ESU LokSound Functionality Features: Over 20 sound effects are available, including engine start-up and shutdown, prime mover sounds through all eight notches, bell, air horn, air compressor, dynamic brakes and more. There are 16 user-selectable horns, 2 user-selectable bells, and 2 user-selectable synchronized brake squeals. Manual & Automatic Notching modes with the ability to change modes on the fly are provided for true realism.