- TIA-4953 certified for mild, moderate and severe hearing loss- Amplifies incoming sounds up to 53 decibels and outgoing speech up to 15 decibels- Digital Clarity Power ? incorporates hearing aid technology for clearer call quality- Extra loud ringer volume (100 dBA)- Clarity AudioCenter featuring ergonomic volume and tone control- Built-in speakerphone- Soft touch backlight keypad- Ten (10) one-touch speed dial memory buttons- ClarityLogic ? remote diagnostic service programs your phone at the touch of a button- Clarity VoiceAssist for talking keypad and talking Caller ID- Oversized bright visual ringer- Headset, neckloop and bedshaker ports - Battery backup lets you make calls when the power goes out- TIA-1083 compliant for hearing aid compatibility- One (1) year limited manufacturer's warranty

? Amplifies incoming sounds up to 53dB & outgoing speech up to 15dB;? Digital ClarityPower(TM) incorporates hearing aid technology for clearer call quality;? Extra-loud ringer volume (100dBA);? 10 speed-dial memory buttons;