lionel 1823031 diesel lionchief/blu engine

LIONEL -- THOMAS & FRIENDS DIESEL W/ LIONCHIEF REMOTE SYSTEM & BLUETOOTH -- Electric locomotive controlled by included LionChief® remote, LionChief® Universal Remote (sold separately) or Bluetooth® LionChief® app -- RailSounds® RC™ sound system with whistle, bell and user-activated announcements -- On/Off sound switch -- Maintenance-free motor -- Traction tire -- LIONCHIEF™ REMOTE FEATURES -- Forward and reverse speed control knob -- Three buttons to activate whistle, bell, and special announcements -- Requires three AAA alkaline batteries (not included)