Panasonic GigaRange KX-TG5576M 5.8 GHz DSS Expandable Cordless Phone with Answering System and Color LCD on Handset (Metallic Grey) 5.8 GHz frequency-hopping spread spectrum signal Expandable to 8 handsets, 1 included Answering system with 21 minutes of recording time Talking caller ID and call waiting, 50-call memory 1.6-inch full-color backlit LCD on handset