This Wireless 3-Channel Intercom System with 2 Interior Stations allows you to enjoy a home intercom system that installs in seconds! This stylish and solidly-made intercom unit with four channels communicates over your home's existing wiring -- no new wiring is required! Just plug the 3-Channel Intercom into any AC outlets within a 1,500 ft. range, and you'll be able to enjoy crystal clear intercom communication without static.Now you can enjoy the convenience of a wireless, three channel intercom system in your own home! The Westinghouse Wireless 3-Channel Intercom System features two interior stations and excellent sound quality and plugs right into your AC outlet. The units feature a call button to page any other room. This 3-Channel Intercom System communicates via existing AC wires and will block X10 signals during the period that the intercoms are being used. They will not affect X10 operation if they're plugged in but are not transmitting sound. The Westinghouse 3-Channel Intercom System is wireless and easy to install. With the system's expansive range, you can talk to or monitor any number of rooms in your home or small office with 3 available channels. You can also use the intercom as a baby monitor; just use the "Lock" button for continual audio monitoring of any other unit.