1. High quality ABS material, heavy desktop phone, durable for long lifetime work. 2. This big button phone is powered by telephone line. We dont need to install batteries; it is energy saving and environmental protection. 3. Easy to install: just insert the coil cord and line cord; plug and play. 4. Simple basic telephone for seniors home, with pre-stored family numbers, SOS number and meal order number, it is quite easy for our old people to locate the numbers and make their calls. Functions: 1.FSK/DTMF dual system, tone/pulse supported. 2.Mute, Flash, Last number redial and hands free speaker function. 3.Ringer volume off/High/Low Switch 4.Handset volume High/Low switch 5.In use led indicator 6.9 speed dial memory to store 7.Desk or Wall Mountable Phone To Store Phone Numbers for Speed Dial: 1.Pick up the handset, press STORE button and then enter the phone number you want to store. 2.Press STORE button again and then press one of the picture buttons for number location. 3.Replace the handset, when you have finished the above steps, this phone number will have been stored. To Speed Dial from Stored Number 1.Pick up handset ( or press the SPEAKER button ) 2.Press the correct memory location ( pictured buttons), then this telephone number will be dialed out automatically. Packing List: 1 * Big button Memory Telephone for old people 1 * Telephone Cable 1 * Handle 1 * Handle Cable 1 * user manual