Now hear clearly on a 2.4GHz cordless phone with the new Digital Clarity® Power™ technology utilizing digital signal technology. It provides intelligent amplification to make soft sounds audible, while keeping loud sounds bearable. This phone provides up to 50dB amplification with three tone settings to customize your listening experience. There is a bright visual ringer in both handset and base. The handset can vibrate when ringing, and the audible ring volume is adjustable. Backlit keypad with large keys for easy dialing. Easy to read Caller ID* display with 50 name and number phone book. One (1) one-touch emergency dial key. A battery back-up in the base keeps the phone in service in the event of a power outage. Includes a belt clip, 3.5mm audio jack for neckloop, or other listening option, and 2.5mm handsfree headset jack. Hearing aid compatible. One year warranty.