LEF10 10 CALL AUDIO INTERCOM MASTER AIPHONE AIPHONE LEF-10Door release activation Loudspeaker Type Surface mount, master station Desk Wall mount. Hands free remote reply and high output power Intermixable with other LEF masters Single talk path, Sub's call in can be signaled at a communicating master Individual volume controls for talk and call tone Timed call in annunciator LED memory for max. 20 seconds Privacy button with LED ind. Background music distribution Paging through an 8 horn speaker Power: