More on Amazon.com : http://www.amazon.com/gp/product/B000RQ5M1Y?tag=thefatkidin06-20

Ameriphone Amplified Photo Phone P-300 Detailed

Adjustable tone selector clarifies hard to distinguish sounds like chair and share
Adjustable volume up to 20 dB for people with mild to moderate hearing loss
The Photo Phone also has easy-to-see oversized keypad buttons for hassle-free dialing
Adjustable ringing volume hearing aid T-coil compatible Bright visual ring flasher
Hold redial flash and mute buttons with a 1 Year Manufacturers Warranty