If your hearing isnt what it used to be this dect cordless phone will amplify incoming speech and ringer volume to your own selected level the handset volume is adjustable to a super loud maximum 40db while the extra loud ringer can be adjusted up to an incredible 90db the same volume as most sirens and alarms two different users can program their personal volume and tone preferences and recall them at the touch of a button which means the volume amplifies only when required its also th