Clarity D722 Amplified Cordless Phone with Photo Dial: * 4 programmable photo-dial memory buttons * Clarity Power technology makes sounds louder, clearer and easier to understand * Amplifies incoming sounds up to 30 decibels * Improves conversations by making words not only louder, but also clearer and easier to understand * Tone control allows the user to customize the amplifier for optimum clarity * Expandable up to 5 DS702HS handsets (sold separately) * Hearing aid compatible * Backlit LCD display and bright visual ringer * Large illuminated keypad * Call transfer * Handset locator * 2.5mm headset jack