DISCONTINUED- No Replacement Available The Clarity C420, featuring Clarity Power technology, makes phone conversations not only louder, but also clearer and easier to understand. C420 Amplified Cordless Phone: Clarity Power technology Amplifies incoming sounds up to 30 decibels Caller ID with 50 name and number memory Ergonomic design for comfortable telephone conversations Bright visual ringer in base and handset alerts users to incoming telephone calls Customizable handset ringer Large lighted dial pad