FCC Approved High Volume 40 dB White Extra Large Big Button Print Numbered Keypad Easy to Use Home House Desk 911 Emergency Help Key Special Needs Corded Phones Amplifying Telephones For Low Vision Sight Visually Hard Of Hearin Impaired Aid Compatible Assisted Elderly Seniors Old People Great gift for friends, families, co-workers and bosses Good presents for Birthday, Christmas, Anniversary, Mother's Day, and Father's Day Future Call EM help phone  Big buttons for easy dialing  2 Way speakerphone with volume control  Receiving volume gain +40dB  Receiving tone gain +/-10dB  Speech volume gain +/-3dB  Red 911 emergency key - this number is backed up even if the unit is unplugged from the line  Hearing aid compatible  10 two-touch memories for speed dialing the memories are backed up even if the unit is unplugged from the line  2 one-touch speed dialing the memories are backed up even if the unit is unplugged from the line  Flash key for call waiting  Redial key  Hold key with music  Ringer hi/low/off switch  Store on/off switch (Prevents memories accidentally being erased or changed)  Bright Neon for incoming calls / PBX message light  Desk phone FCC Approved