Hear clearly with DCP� digital amplification up to 50 decibels and four (4) tone settings Amplifies outgoing speech up to 15 decibels for others to hear you better Loud and clear speakerphone for hands-free conversations High contrast Caller ID screen with large font in either English Spanish or French languages Talking Caller ID in either English or French Illuminated talking dial pad with large buttons that speak the number that is pushed in either English or French Extra loud flashing ringer with adjustable tones and voicemail indicator Hearing aid compatible and TIA-1083 compliant Direct connection to assistive listening devices or headset (2.5mm or 3.5mm) Dual Power Battery Backup lets you make calls when the power is out (included) Expandable up to three (3) extra handsets (XLC3.6+HS�) Wall mount and belt clip available by contacting Clarity at 800-426-3738