Access credentials
Add credentials — a card, fob, or mobile credential — so the door actually opens for someone.

The ACS-ELV Elevator starter kit provides elevator access control to a single elevator cab for up to eight floors. It can be expanded to two cabs with up to 64 floors (split in intervals of eight) with the addition of seven AC-IOE expansion boards. available through HTS.
Add credentials — a card, fob, or mobile credential — so the door actually opens for someone.
Pair with a power controller sized for the strike or maglock load.
Add a door license to bring the controller online.