The Southwestern Bell FM144W Caller ID Call Waiting Jumbo Clock in white is a brand new unit that offers features such as caller waiting, LCD display, and a jumbo clock. This caller ID display box has a 3.5mm jack connector and can be wall-mounted for convenience. With its sleek design and functionality, this 2002 model from Southwestern Bell is a practical addition to any home phone setup, providing valuable information such as call waiting and caller ID in a large and easy-to-read format.