This wireless 4 channel intercom allows you to have an intercom system without having to do any wiring. The system has a pair of units, but you can separately purchase more units (HC- WHWI4S) if you wish. Easy to install --just plug into any electrical outlet and talk.  It is a complete in-home intercom system. Streamline communication with Westinghouse's sophisticated 4 Channel FM Wireless Intercom. Ideal for homes, apartments, offices, stores, and small businesses. Talk to or monitor ANY number of rooms or offices with 4 available channels. Press CALL to page another room. Press TALK to converse. Clear communication up to a 1,500 ft. range
· Compatible with all Westinghouse Wireless intercoms.
· Package includes two units.
· Dimensions: Unit is 6 3/16" x 5 1/2" x 1 1/4"
· UL approved.
Manufacturer: Westinghouse
Manufacturer warranty: 1 year limited
Product questions: 800-842-5378