Feature List: - FSK/DTMF Dual System Auto Switch - Year/Date/Week/Time/Temperature Display Function - Speakerphone Function - Last Number Redial Function - Pause Function - Alarm Clock Function - Sleep Time Function - Call Back Function - Extension Function - Normal/Amplified Ringer Modes Selection Function - 37 Groups of Incoming Calls Memories - 15Groups of outgoing Calls Memories - 10 Groups of Two-touch Speed Dial Memory - SOS Emergency One-touch Speed Dial Memory - 16 Ringtones for Selection/Adjustable Ringer Volume - 5 Level of LCD Screen Brightness Adjustable - Flash Time 90/95/100/120/180/300/600/1000ms Selectable Packing List: 1*Phone Base 1*Handset 1*Coiled Cord 1*Straight Phone Line 1*Manual