This big button landline phone features large keypad buttons for ease of dialing, perfect for low vision and hearing impaired person. It can store up to 10 two-touch speed dial memories for rapid dialing most important or most used phone numbers. The speakerphone/redial/hold/Tone/LED flashlight increase user friendliness. The phone is wall mountable, and it will keep work even if power outage at your home. Simplicity DesignEasy to use2 answering methods - Pick up the receiver or press the speakerphone button to answer the calls. You can also switch the answering methods during the calls for your inconvenienceNo need battery or AC/DC power - The phone is powered by the phone line.
So, it doesn't need any batteries or AC/DC power. You just need to connect the phone with your phone wall jack. It still works in power outage in your house. Key FeaturesExtra large buttonsLoud and clear sound10 groups of speed dial memoryReceiver/speakerphone/ringer volume controlHold on musicRedial last numberFlash functionWall mountablePlease NoteWe recommended that the users who with pacemakers keep more than 30cm away from the phone. What's in the box? 1*phone base1*receiver1*straight phone line1*receiver cord1*wall mount part1*English manual