Lionel Area 51 Ufo Recovery Bluetooth LionChief Electric O Gauge Freight Train Set comes complete with locomotive, freight cars, track, power supply and remote control. Operation Technology via the Lionel LionChief App includes Bluetooth 5.0 that allows you to operate your train via any compatible smart device. Lionel Voice Control allows you to run your locomotive by speaking commands. Rolling stock features an illuminated damage control boxcar, a manual boom derrick car, an illuminated searchlight on caboose, and operating couplers. Remote features a forward reverse speed control knob, three button controls for whistle sound, bell, and special passenger announcements. Remote requires three Aaa alkaline batteries (not included).