Uniden DCT 6465-2 2.4 GHz Expandable Cordless Speakerphone with Dual Handsets, Base Keypad, and Caller ID 2.4 GHz digital signal with autoscan Expandable to 4 handsets 2 handsets, extra charging cradle, dual keypads Caller ID with call waiting, 100-call history Headset compatible, belt clip