The Clarity® D702 amplified/low vision cordless phone with CID display amplifies incoming sound up to 30 decibels. The D702 offers a vision solution featuring the largest keypad of any cordless phone, high contrast numbers, a backlit keypad that is easy to see at night, bright visual ringer and a large font Caller ID display. The D702 uses patented Clarity Power technology™ making hearing easy again by eliminating feedback and distortion, minimizing background noises while managing soft and loud sounds. The Clarity D702 features: 30dB of Clarity Power amplification, DECT 6.0 technology, Adjustable tone control, Easy-to-read Caller ID display, Extra large backlit buttons, Handset speakerphone, Belt clip and 2.5mm headset jack, Hearing aid compatible, Expandable up to 5 handsets, 1 year manufacturer's warranty.