BellSouth CI-33 Call Waiting Caller ID System in a classic off-white and blue color scheme. This vintage landline accessory features a large LCD screen for easy viewing of incoming call information, including name and number. The interface includes dedicated buttons for Delete, Review (Up/Down), Read, and Flash, along with quick-access Call Back buttons for 7, 10, or 11-digit dialing. Designed for both desktop and wall-mount use, it comes with the original power adapter and integrated phone line cord. Ideal for collectors of retro telecommunications gear or those maintaining a traditional home phone setup.