The RCA 25055RE1 is a 2-line, DECT 6.0, accessory handset for use with the RCA 25255RE2 & 25250RE1. A backlit LCD screen displays data and is compatible with caller-ID and call-waiting display. The DECT 6.0 technology provides interference free communication, increased clarity, enhanced security and wider range. Additional features include headset compatibility, speakerphone and digital volume control. This hearing aid compatible phone is wall mountable.