The Panasonic KX-TGU4 is tailored to the needs of seniors needing an easy-to-use phone -- the perfect gift for parents or other family members in need of cordless phones for seniors. This cordless phone gives clarity and convenience to every call, helping you keep in touch with easy regular check-ins. With a large 2.1" display and big buttons, the KX-TGU4 makes calls easy to see and manage; a Favorites Key notifies you of incoming and missed calls and keeps 3 favorite contacts within arm's reach. Flashlight function is a key feature to light the path for everything from nighttime trips to the bathroom, to getting help in an emergency. This phone can amplify calls up to +12dB so that you can hear every word clearly in your ear during phone conversations, and Talking Caller ID makes it easy to know when the phone is ringing by announcing every call. Smart Call Block features help eliminate nuisance calls, with Automated Call Block to pre-block robocalls and Telemarketing Call Block to block announced callers; One-Ring Scam Alert helps avoid one-ring scams. Dedicated Call Block button blocks up to 1,000 numbers. 10 hours talk time on a single charge, with standby up to 5 days (120 hours). Expandable up to six handsets (additional handsets sold separately).