Clarity D712C3 DECT 6.0 Amp. Phone w Answering Machine & 3 Expandable Handsets 10 GA Heater (Mhvfdf20Rtt) Certified Dual Fuel Tweeters Heater (Mhvfdf20Rtt) Certified Dual Fuel Vent Free Heaters Are Your Perfect Supplemental Heating Solution Radiopro Advanced Vehicle Integration Module interference free communication Easy to see high contrast numbers Contoured keys with soft touch material for comfort Backlit kepyad that is easy to see at night Large font and high contrast caller ID screen Extra loud and clear speakerphone for hands free conversations Ten speed dial buttons to store important numbers One hundred name and number phonebook with ten memory buttons Twenty Last Number Redial memory Easy to hold lightweight and ergonomic handset Belt Clip for hands free mobility Hear It Ring Clarity ringer has ten loud and clear melodies plus six levels of volume Expandable up to five handsets (model #D702HS) Both the large keypad and CID display light up as a super bright visual ringer Direct connection to assistive listening devices or headset (2 friends and their community