Eng méi komplex Versioun vun dësem Saz generéieren D'ass en elektronesche Multiple-Eenheet Typ benotzt fir Pendler an outer - suburban Servicer vun East Japan Railway Company (JR East) a Japan zënter 2000 bedriwwen.
Natierlech ass eng méi komplex Versioun vum Saz: "The is an EMU type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan, and manufactured by Tokyu Car Corporation, Kawasaki Heavy Industries and also at JR East's factory at Niitsu in Niigata Prefecture".