ACC 380 ViRDI Mobile Key - Valid for 3 Years (not a physical item): AC 5100, AC 1100, AC 2200, AC 2000, FMD-10. The Mobile Key System incorporates mobile access into the current conventional access control system. Visitors can simply open the door with their smartphones while an admin monitors and controls the access at a distant office. Must be registered with support@virditech.co.za