Welcome to our shop! Durable Materials: Our large button phones are made of high-quality ABS materials, ensuring durability and a long service life. No Battery Required: This large button phone is powered by the phone line, eliminating the need for batteries and making it energy-saving and environmentally friendly. Easy to Install: Simply insert the coil wire and power cord to start using this phone. It's a plug and play device that is easy to set up. Prestored Number: This big button phone allows you to pre-store important numbers such as your home number, SOS number, and meal order number. It is designed to make calling easier for the elderly. Humanized Design: The keyboard of this phone can display 9 pictures of your family and friends, making it easier for the elderly to find the numbers they need. SOS One Touch Speed Dial: The red SOS button on this phone is easy to locate and can be used for emergency calls. Item Type: Landline Model: LD-858HF Material: ABS Color: White Function: 1. FSK/DTMF dual system, supports audio/pulse. 2. Mute, redial, and hands-free speaker functions. 3. Ringer volume off/high/low switch. 4. Earpiece volume high/low switch. 5. 9 speed dial buttons. Scope of Application: This phone is designed for home use, specifically for the elderly with impaired vision and hearing. Package includes: 1 x Telephone Landline 1 x Telephone Receiver 1 x Handset Cord 1 x US Standard Telephone Line 1 x UK Standard Telephone Line 1 x Manual 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.