DECT 6.0 Plus Technology. Power Back-Up Operation. Talking Caller ID. Dial Keypad on Base. Large, 1.8" White Backlit Handset Display. Bright, LED Light-Up Indicator. Easy-to-use Big Buttons with Simple Keypad Layout. Amplified Handset Volume with Dedicated Volume Key. Intelligent Eco Mode. All-Digital Answering System. Tone Equalizer. Call Block. Silent Mode. Ringer ID. 2 Corded and 2 Cordless Handsets