Adopts a hook and U-shaped electrical coupler. Features a movable canopy. Features a new power collecting system and silver wheels. Equipped with a single arm movable pantograph. Uses white LED headlight. Pre-printed vehicle number (second car number) The expansion set includes a change car number and an upgrade transfer sheet (you can change the number of the basic set). JR Mark Grand Class Mark Printed. Green car mark printed Powered unit with flywheel

(From Amazon.co.jp)