C4220:

• Bright visual ringers in handset and base flash to signal incoming calls
• Concave earpiece creates an acoustic chamber to provide crystal clear sound
• DCP and 50 decibels of intelligent amplification make calls louder, clearer and easier to understand
• Four (4) tone settings provide a customized listening experience
• High contrast white LED screen is bright and easy to read
• Recommended by the Arthritis Foundation for Ease-of-Use for contoured handset shape and soft-touch dial pad
• Generously spaced backlit buttons make dialing easy
• Digital 5.8GHz transmission provides interference-free sound
• Call Waiting Caller ID with 40 name and number memory
• Hearing Aid Compatible
• Add up to three (3) expandable handsets to your C4230 or C4220 and enjoy loud, clear conversations in any room with a power outlet
• Drop-in battery provides 3-4 hours talk time and up to 6 days standby time
• Full-duplex speakerphone in handset

C4230HS:

• Bright visual ringer in handset flashes to signal incoming calls
• Concave earpiece creates an acoustic chamber to provide crystal clear sound
• DCP and 50 decibels of intelligent amplification make calls louder, clearer and easier to understand
• Four (4) tone settings provide a customized listening experience
• High contrast white LED screen is bright and easy to read
• Recommended by the Arthritis Foundation for Ease-of-Use for contoured handset shape and soft-touch dial pad
• Generously spaced backlit buttons make dialing easy
• Digital 5.8GHz transmission provides interference-free sound
• Call Waiting Caller ID with 40 name and number memory
• Hearing Aid Compatible
• Add up to three (3) expandable handsets to your C4230 or C4220 and enjoy loud, clear conversations in any room with a power outlet