- Amplifies incoming sound up to 40 decibels - Four tone settings to customize your listening experience - Amplified digital answering machine making it easier to listen to messages - Large high contrast CID display - Extra loud and clear speakerphone for hands-free conversations - Large keypad with high contrast numbers - Five speed dial buttons to store important numbers - Ten loud ringer melodies with six levels of volume - CID display lights up as super bright visual ringer - Expandable up to four cordles handsets (model # D703HS)