The Doro PhoneEasy 100 is an easy to use cordless phone featuring large, backlit display and big buttons with special font for high visability. Audio boost function provides loud and clear sound, and the handset slides securely into the extra stable base. 20 position phonebook Adjustable handset volume Speakerphone 5 monophonic ringtones 5 last number redial 1 line LCD screen Mute button GAP compatible Range: 300m outdoors / 50m indoors Caller ID Wall mountable 100 hours standby time 10 hours talk time One year replacement warranty Single handset