GE Dect 6.0 Digital Black Cordless Accessory Handset for 28165FE1 Phone (28166FE1) GE Dect 6.0 interference free technology with 2 line operation in a black cordless accessory handset for 28165 series Backlit multilingual LCD display with exploding digits and built in clock and calendar with automatic date and time set Call waiting and caller ID with dial back and 40 number memory as well as speed dialing and 200 name and number directory Wifi friendly hearing aid compatible phone with call conferencing works as room monitor or speakerphone and has visual ringer and selectable or polyphonic or VIP ringtones Come with belt clip and AC adapter as well as battery backup for operation during power outage and 1 year warranty