CLEAR SOUNDS CLS-CS-A55 900MHz Amplified Exp System 50

product Features60 Name And Number Phonebook Directory - Easily Store And Dial Frequently Called Numbersprogrammable Pauseauto Amplificationhandset Volume Control - Separate Volume And Tone Controlvisual Ringer On Handset - Makes Sure Incoming Calls Don't Go Unnoticedvibrating Handset Ringer - No More Missing Important Telephone Callslarge .75 X 1.5 Inch Blue Backlit Display For Easy Viewing Of Informationmay Use A Total Of 3 Clearsounds Handsets Throughout Your House Using A Single Phone Jacktransfer Call Between Handset- No More Shouting - 'it's For You'jack For Optional Vibrating Pad (for Best Results, Use A Clearsounds Shaker Accessory)expandable Up To 2 Additional Handsets (a50e Sold Separately)page/handset Locatortable/wall Convertible key Features 50db Adjustable Handset Amplification & Tone Controls900 Mhzcaller Id / Call Waitingamplified 2.5mm Headset Jack - Provides Easy Connection Of A Headset For Hands-free Amplified Conversationsadjustable Extra Loud Ringer - Up To 90 Db On Base And 80 Db On Handset caller Id 99 Name/number Caller Id Historycaller Id/call Waiting Capabledisplay Dialnew Call Indicatorvisual Message-waiting Indicatornote: Use Of Caller Id Requires Subscription To Caller Id Service.