Radio Shack 900MHz Wireless Intercom System 43-3102 - Megean

This system is expandable, so with the purchase of additional 900MHz stations, you can customize your own system and talk from any room in your home. No installation or wiring is necessary, simply plug it into a nearby AC outlet or insert 4 "AA" batteries sold separately. You can even connect a radio, CD player, boombox or other audio device and listen to music from any room on the system.