Clarity amplified/low vision cordless handset- Expandable handset for D702, D712 and D722 amplified cordless phones- Patented Clarity Power technology- Adjustable tone control- Loud and clear handset speakerphone- Easy-to-read caller ID display- Large backlit keypad is largest of any cordless phone- Backlit keypad and CID display act as visual ringers- Ten loud-and-clear ringtones with 6 levels of volume- Includes belt clip and 2.5mm headset jack- Hearing aid compatible- Expandable up to 5 handsets.