The Radio Shack Three-Station Wireless FM Three Channel Intercom 43-219 is a voice intercom system that allows communication between three different stations within a wireless range. This model is ideal for home use, providing a convenient way to communicate between different rooms or levels. The package includes one intercom unit from the trusted brand RadioShack, ensuring reliable performance and clear communication. Perfect for home security and door entry systems, this intercom system offers a simple and efficient way to enhance communication within a household. UNTESTED.