There are many similarities between the H sets and the M sets, including improved external destination boards, internal destination boards displaying stopping patterns, Digital Voice Announcements, security cameras, and green target plates. The OSCARs also have additional features to increase comfort on the longer journeys they operate.
There are commonalities between the H sets and M sets, including upgraded external destination indicators, internal boards displaying stopping sequences, digital audio announcements, surveillance cameras, and green target markers. The OSCARs also incorporate additional features to improve passenger comfort during longer trips they manage.