An access device for a real estate lockbox system that has at least one lock that is configured to receive instructions and to energize a lock mechanism to unlock the at least one lock and a computer that is disposed at a remote location from the at least one lock and that is connected to a primary wireless communication path. The access device includes at least one key that is configured to communicate with the computer via the primary wireless communication path and to communicate with the at least one lock over a secondary wireless path. The at least one key is also configured to radiate a directed beam of electromagnetic energy that has a frequency that is in the visible spectrum and that is usable to illuminate the at least one lock.