FSK / DTMF Compatible 2 Way Speaker Function Real LCD Week & Date Display 50 Incoming 15 Outgoing Call Memories 16 Kinds of Normal Ring Adjustable 3 Groups of Alarm Function Flash Time Adjustable Do Not Disturb Function P / T Dialing Mode Selecable Anti Thief Function Area Code & Long Distance Area Code Setting 5 Levels of LCD Brightness Adjustable Redial & Flash Function HF Volume Adjustable Wall Mountable One Year Warranty