- The K12 train belonging to the Katsuta Vehicle Center is commercialized
- The scarlet blossom revival paint scheme is based on the E653 series "Fresh Hitachi" (red) with its red plum motif
- The symbol mark (red: plum and Kobuntei) that differs for each train is reproduced
- The insulators and high-voltage equipment around the pantograph, which are unique to AC/DC trains, and the train radio antenna and WiMAX antenna on the roof are reproduced
- The use of a slotless motor achieves smooth and quiet running
- The intermediate coupling section is equipped with a body-mounted KATO close-coupled coupler and an inter-car damper as standard
- The underfloor equipment, bogies, inter-car dampers, and leading car dummy coupler are gray
- The front and side windows are colored green, just like the real train
- Destination display stickers are included
- Compatible with interior lighting kit Kato 11-211 (11-212)