AMPLICOM PowerTel 760 Assure - 1 Handset Landline Telephone Amplified corded handset/base with three user profiles Fidelity sound and low distortion when amplified to max level Adjustable answering machine and speakerphone in base with remote access features Expandable up to 4 cordless accessories per base Works with the PowerTel 701 accessory handset and PowerTel 601 wireless wrist shaker for sos emergency and remote answer feature (sold separately)