- Full vocalization of names, numbers, menu, commands, date and time- Self-recordable phonebook- Talking caller ID- Touch and feel tactile recognition buttons- Unique ergonomic design for easy use- Extra large, height-adjustable screen with navigational menu, adjustable screen contrast and large backlit display (160x240 dots)- Large print user guide- Unique choice of fonts and colors to provide the best contrast combination- Extra loud hands free speakerphone with volume setting- Adjustable volume control (up to 40dB)- Adjustable tone control- Hearing aid compatible- Extra bright visual ringer indicator- Adjustable ringer volume control- 3 ringing melodies- Big button keypad- Wall mountableGMBDP400