The VTech CS6919-2 DECT 6.0 Cordless Phone With Caller ID is built to give you all the features a busy household needs. It comes with a full-duplex handset speakerphone that allows both ends to speak and be heard at the same time for conversations that are more true to life. Caller ID entries display on a large backlit LCD screen so you can see who?s on the line even in the dark. It can also store info on up to the last 30 calls in its called ID memory for easy reference. With DECT 6.0 transmission you get interference-free sound from any room in your home. You can add up to three accessory handsets in minutes with just one phone jack. The VTech CS6919-2 DECT 6.0 Cordless Phone With Caller ID can be mounted either on top of a table or counter or on a wall. Each unit comes with two handsets.