HO Scale Western Pacific EMD FT with E-Z App™ Wireless #901 . It Features of E-Z App™ Touch-Screen Train Control include: wireless control with any Bluetooth® 4-supported iPhone®, iPad®, or iOS device (includes iPhone® 4s, 5, 5c, 5s, 6, and 6 Plus; iPad Air® and iPad mini™, 3rd and 4th generations; and iPod touch® 5 or newer) , operates from up to 100 feet away with Bluetooth® Smart technology, realistic, dynamic engine sound broadcast through your Bluetooth® 4-supported smart device,requires 16 volt DC or DCC track power for operation, ready to launch and use instantly after downloading the FREE Bachmann E-Z App™ from the Apple App Store, and no configuration or additional equipment required. Locomotive features: all-wheel drive,can motor,LED headlights,RP25 wheel contours,E-Z Mate® Mark II couplers, and Performs best on 18 radius curves or greater.