The Panasonic KX-TGA651B DECT 6.0 Plus Digital Cordless Handset is an additional handset for your expandable KX-TG6500 Series cordless answering system. It features DECT 6.0 Plus technology, which provides outstanding range and clarity. With the talking Caller ID technology, you can hear Caller ID information when the phone rings. It also features Silent Mode so you can turn off the handset ringer whenever you desire. You can put one in every room of your home while using only one base and one phone jack.