Clarity Dect 6.0 Expandable Amplified Low Vision Cordless Phones with Large Font Caller ID Display and Answering System - 2 Handset Pack Hear Clearly - Clarity's patented hearing technology, Clarity Power, makes hearing easy again by: Minimizing background noises Eliminating feedback and distortion Managing soft/loud sounds to produce clarity Amplifying incoming sound up to 30 decibels or 6 times louder than a standard home phone