High Volume 40 dB Large Big Button Photo Dialer Telephones For Who May Have Age-Related Eye(s) Or And Ear Problems Great gift for friends, families, co-workers and bosses Good presents for Birthday, Christmas, Anniversary, Mother's Day, and Father's Day Future-Call picture trim line corded phone  Great wall mounted kitchen phone or as desk bedroom phone  This corded phone gets you on the line with family, friends in a matter of seconds. Youll experience no interference, clear reception and minimal distraction  Sturdy grip and features 2 picture memory keys that are backed up for life using no batteries or A/C adaptor Amplified handset up to (40db) max  2 Picture memory keys that are backed up for life  No batteries or A/C adaptor  911 key  Visual ringer on handset  Ringer switch off/hi/lo  Handet volume adjustment switch  Flash button  Desk or wall mountable  Does NOT require AC power  Does NOT require batteries  Operates normally during a power failure This product is recommended for seniors who Have Age-Related Eye(s) Or And Ear Problems such as vision impaired, low vision, hard of hearing and hearing impaired.