DESC: The Clarity Professional XL45 corded Caller ID telephone, featuring Digital Clarity Power technology, improves conversation by making words not only louder, but also clearer and easier to understand. With up to 50 decibels of amplification, the XL45 is ideal for those with a severe hearing loss or low vision. Hear Clearly. The Digital Clarity Power featuring Noise Reduction, Multiband Compression and Acoustic Echo Cancellation enables loud and clear conversation. Easy to Use. The large backlit keys and CID display make the phone easy to use and easy to see. Superior Technology. Clarity's dedication to innovation provides each phone with effective solutions to better fit into your lifestyle.