▲ AREX express train : Economy Class

▲ AREX express train : Luggage Storage

▲ AREX express train : Disabled Toilet(Available to anyone)

It is between car 3 and 4.

▲ AREX express train : Eletrical Outlets

Those are on both sides of the entrance door. In other words, there are a total of 4 sets(8 sockets) in one room.