Westinghouse Additional 4 Channel Unit -- WHI-4S

Single, ready-to-use intercom for expanding other compatible Westinghouse intercoms. Premium speaker for crystal clear audio. UL approved.

Additional 4 channel unit for WHI-4C Talk to or monitor any number of rooms or offices with 4 available channels No installation or batteries required Two way communication Plug into any AC outlet and talk No battery, no installation One way monitoring for the nursery or playroom Press CALL to page another room Press TALK to converse UL approved Compatible with Westinghouse 2, 3, and 4 channel intercoms (WHI-2C, WHI-3C, and WHI-4C)