The Clarity D703HS is an expandable cordless handset for the Clarity E814 Amplified Corded Telephone. The D703HS Expandable Cordless Handset will ONLY work in conjunction with the E814 Amplified Corded Telephone. The D703HS will NOT work alone. DECT 6.0 technology Amplifies up to 35 dB (4) tone settings Large high contrast CID display Speakerphone – extra loud & clear for hands-free conversations Large keypad with high contrast numbers (10) speed dial buttons (100) name & number phonebook with (10) memory dial buttons Loud ringer with adjustable volume levels CID display lights up as super bright visual ringer E814 corded phone is expandable up to (4) D703HS cordless handsets One year warranty For more information please click here