108 dB SPL amplification with full range tone control. Full duplex speakerphone in base. 8 photo frame buttons for easy one-touch dialing. 85 dB adjustable ringer and bright visual ringer. Single-line phone. Big button easy-to-read keypad. 8 one-touch photo memory dial buttons. 3 one-touch memory dial buttons. Hi, Lo, Off ringer volume control. 2.5mm headset jack. Last number redial. Touch-tone dialing. Mute/Flash buttons. Table/wall convertible. Hearing Aid Compatible. Size: 9.25 x 6 x 2.25. White. 1-year manufacturer's warranty.