Simple?? corded operation?? The telephone works without AC Power. For the Caller ID to function?? four AA batteries (not included) are necessary?? Line power mode</br>14-number speed dial?? Display dial?? Hold?? Mute</br>Last number redial?? Flash?? Receiver volume control</br>Ringer volume control?? Table- and wall-mountable?? Hearing aid compatible</br>English/Spanish/French setup menu</br></br>Product Description</br></br>AT&T CL2909 Corded Phone?? White?? 1 Handset</br><br/>http://www.amazon.com/gp/product/B001S2PKPE