1.Functions on the elderly phone include a hands-free speakerphone, perfect for anyone on the go at home, hold, auto, store, redial, and flash functions,handset volume control and speaker volume control by press the VOL +/- when using the handset or the speakerphone. 2.Easy to set up - Connect the phone to your RJ11 telephone jack by the phone line included in the parcel, no need extra batteries or accesories to start working. 3.Complete Batteries Free - This phone is line powered completely, no need to install any battery, so the factory just leave the battery compart empty, please dont be bothered by the batteries holes. 4.Clear Voice: The call quality is stable and clear, easier to understand. World-wide home phone, both English and Chinese are printed in the manual and on the phone keypads. 5.This large/big button phone is a great design for people with low vision and hearing impaired. Enlarged font and extra-large keys make the keypad easy to use, which is especially helpful for those who are visually impaired. Speakerphone Functions: Hands-free call, intelligent adjustment effect (large and small), optional non-ring interference office phone Single key or double key to adjust the handle sound level, hands-free sound level DTMF/FSK dual system caller ID (automatic identification) Incoming call number and call time record 50 groups (8 digits) or 32 groups (16 digits) 14 groups (8 digits) or 8 groups (16 digits) of outgoing calls and call time records Real-time date and week display, LCD brightness adjustable in 5 levels 1~99 hours do not disturb 16 common ringtones to choose from, with large, medium and small ringtones The software sets the ringing volume and hands-free volume without switching Software setting electronic anti-theft; optional soft setting P/T FLASH time 90/95/100/120/180/300/600/1000ms software optional 3 groups of alarm function settings, each group of alarm sound is different Super lightning protection, anti-electromagnetic interference Single key long press: P/T lock (0-9-full lock), function conversion Package Including 1* Telephone 1* English manual