[Lcd Display] Real-time date, call time record, and incoming call number displayed on the lcd screen. ^^ [ Material] Made of abs, providing durability for long-term use. ^^ [Large Buttons] User-friendly design with large buttons for easy visibility of numbers and letters. ^^ [Clear Sound] Noise cancelling function ensures clear communications by minimizing external noises. ^^ [Extension Set] Dual port design for easy extension; supports extension set.