"The singing train", Keikyu 1000 series is famous for its bright red livery and VVVF.
Train equips with siemens gto has this iconic sound.The bad thing is, they have already been retired 3 years ago.
Moreover, Keikyu is famous for operating in manual, so no ATC, no TASC, no ATO, just pure ATS with skilled driver.
A great choice for tourists to get to Shinagawa, especially with throught service, Access Express.