Feature 1 Durable Materials: Our large button phones use high quality ABS materials, heavy duty desktop phones, durable and long service life. 2 No Battery Required: This large button phone is powered by the phone line. We do not need to install batteries; it is both energysaving and environmentally friendly. 3 Easy to Install: This phone only needs to be inserted into the coil wire and power cord; plug and play, easy to use. 4 Prestored Number: This big button phone can pre store home number, SOS number and meal order number. It is easy for the elderly to make calls. 5 Humanized Design: You can replace 9 pictures of your family and friends on the keyboard. It helps the elderly to quickly find the numbers. 6 SOS One Touch Speed Dial: Red button design, SOS button is easy to find to make emergency calls.Item Type: LandlineModel: LD-858HFMaterial: ABSColor: WhiteFunction:1. FSK/DTMF dual system, support audio/pulse.2. Mute, redial and hands free speaker functions.3. Ringer volume off/high/low switch4. Earpiece volume high/low switch5.9 speed dial buttonsScope of Application: used at home, suitable for the elderly with impaired vision and hearing Package List1 x Telephone Landline1 x Telephone Receiver1 x Handset Cord1 x US Standard Telephone Line1 x UK Standard Telephone Line 1 x ManualNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.