[TRIMSTYLE PHONE - Ageless, Reliable & Handy] - Get this timeless masterpiece which still provides reliable communication experience with sleek design perfect for every corner of your home or office [No Power Required] - The Line-power mode enables you to connect to the world without any dependency on power at your premises. [Receiver Volume Control] - With receiver volume control, ringer volume control and mute option you are able to control all facets of audio before the call and during the call [Last number redial key] - Easily redial the last number with one click. [Easy Wall Mountable] - This phone was designed to easily hang on the wall of your home and office so that you can keep on doing your activities and be able to take the call when required