? Caller ID & handset speakerphone;? Expandable up to 5 total handsets (D703HS);? Large backlit keypad is the largest of any cordless phone;? Loud & clear speakerphone;? 4 tone settings to customize the incoming sound;? 10 loud-&-clear ringtones with 6 levels of volume;? Includes belt clip & 2.5mm headset jack;? Hearing aid compatible;? 1-year warranty;