- Clarity 5.8GHz expandable cordless amplified phone with digital answering system- Expands up to 4 handsets total (3 can be added)- Introducing the world's loudest, most comfortable cordless phone!- Uses DCP technology and 50 decibels of intelligent amplification to make conversations louder and clearer- A feature-rich solution for those with a moderate-to-severe hearing loss or low vision- Concave earpiece design creates an acoustic chamber to provide crystal clear sound - Bright visual ringer flashes to signal incoming calls - High contrast white LED screen is bright and easy to read - Four (4) tone settings provide a customized listening experience - Generously spaced backlit buttons make dialing easy - Contoured handset shape is comfortable and easy to hold- DCP includes Multiband Compression, Noise Reduction and Acoustic Echo Cancellation - Amplifies incoming sounds up to 50 decibels at 118dBSPL - Adjustable volume and four (4) tone settings for a customized listening experience- Digital 5.8GHz transmission provides interference-free sound - Digital Answering System- Adjustable-speed playback- Remote access - Full-duplex speakerphone in handset and base - Caller ID- Call waiting caller ID- 40# Name and number memory - Hearing aid compatible - Optional accessories include bed shaker and wireless remote lamp flasher, sold separately- BlackACCESSORY HANDSET: CLARITY-C4230HS (74225)CLARITYC4230