Designed For Easy Use With A Large 3.4 Inch Led That Can Be Adjusted For Maximum Ease Of Both Use And Viewing, And Three One-Touch Buttons For Dialing, This Panasonic Phone Also Features: Power Back Up Operation; 15-Minute All Digital Answering System; Large Button Lighted Keypad; Smart Wall Mountable; Handset Locator Button; Rechargeable Aaa (Ni-Mh) Batteries; Dedicated Call Block Button (Up To 250 Numbers); 3 One-Touch Dialing Buttons; Talking Caller Id; And Noise Reduction Technology. **Note** Some Features Require A Subscription From Your Telephone Provider.