Big Button Phone Multifunction One Touch Dialling Hands Free Corded Landline Telephone with Loud Speaker for Seniors Black Item Type: Big Button Telephone Material: ABS Model: LD 269SP Function: 1.3 Groups of Single Key Family Storage, See Pictures One Click Dialing 2.10 Group of Double Key Affection Buttons 3. One Touch Distress Dial (User Can Set by Himself) 4. Ringing Indicator Function Flash Function (Flash) 5. Redial Function: (Redial) Storage Function (Mem) 6. Handle Handset Volume Can Be Adjusted in Two Gears (Large and Small Two Gears) (Hi, Low) 7. Ringer Volume Is Large and Small Two Gears Adjustable (Large and Small Two Gears) (Hi, Low) Scope of Application: Used in the Family, Suitable for the Elderly with Impaired Vision and Hearing