Extra Loud High Volume Easy To Use Special Needs 95 dB External Cool Fashioned Style Black Landline House School Telephone Ringer Amplifier Buzzer with LED Flashing Strobe Light For Visually Sight or Hearing Impaired Assisted Elderly Seniors Citizen Old Age User Folks People Pensioner This is a phone RINGER only. It can't AMPLIFY the voice for the phone. It has a telephone jack on the rear side. You can plug it into your wall phone jack and you can plug a corded or a cordless telephone into the rear side. It is a single-line Ring Signaler. It will not be able to signal for a multiple-line phone system.is Can't be used for Voip or IP phones.95dB extra loud ringer, Adjustable tone control,Bright flashing strobe light,Jack for optional bed shaker Simply connect it to your telephone and when you receive a call the bright flashing strobe and the extra loud ringer are activated. It is guaranteed to grab your attention. You can also purchase the optional vibrating pad so you dont miss those important telephone calls when you are sleeping or if you need a silent signal that the phone is ringing. Place the vibrating pad under your mattress or pillow and when the telephone rings the pad vibrates to wake up even the deepest sleeper. PrimeBuddy pays for defective return shipping with no restocking fees for this item. This product is recommended for seniors Brother Sister Friend Mother Father Dad Mom Husband Wife Grandparents Grandma Pensioner Grandpa Geriatric Teachers Coworkers who may Have Age-Related Ear Problems Handicap Disabled Disability such as hard of hearing and hearing impaired. Early And Day After Thanksgiving Blackfriday Black Friday Cyber Monday Online Electronics Deals Sales Hottest Coolest Perfect Nice Clever Cute Cool Coolest Awesome Meaningful Thoughtful Inexpensive Affordable Unique Last Minute Xmas Christmas Thank You Birthday Presents Gifts Exchange Ideas For My Old Best New Retired Retiring Retirement Retirees Her Him Brother Sister Men Dads Guys Couples Staff Friendship Employees Mothers Fathers Anniversary Day Corporate Business Office Colleagues Mom Husband Wife Grandparents Grandma Teachers Coworkers Appreciation Parents In Law Inlaws Who Have Everything