TL86597 InstaJack The TL86597 instantly adds an additional phone jack to any room in your house, saving expensive phone line hook-up fees.
Use with telephones and answering machines. No wiring, drilling or tools. Just plug it in! Create unlimited extensions in home, bedroom, kitchen, home office, and more. (Use model TL96596 for extension unit) Built-in surge suppression. Contains base unit, extension unit and 6 ft. cord.
Features

Works throughout the house, even between floors
Easily relocated
Built-in phone line protection
Eliminates the need to run additional phone lines.
UL tested and approved
Plug base unit into any electrical outlet near an existing phone jack then plug the extension jack into electrical outlet near phone, or satellite receiver Works with:Corded phones
Cordless/Wireless phones
Satellite receivers
Answering machines
Computer Modems and fax machines Note: Does not pass Caller ID to InstaJack remote extensions.