KTL-2002C -FSK(BELL/ETSI)DTMF or DUAL System -LCD Display With 12 Digits With Caller's Number/Date/Time -60 Minutes of voice storage(4.8k bps speech compression/decompression algorithm) or 20 minutes (12.8K bps speech compression/ decompression algorithm) of recording time switch( (option) -70 Incoming Call memories -Two OGM Switch (One Can answer & record, One can only answer) -Dutch/English/French/Germany/Italy/ Spanish/Turkish -Voice Date-Time stamp(DTS) -1 Mail Box -Ringer Detector Mode Swithch (2/6 times) -Erase All Incoming Messages For Mail Box -Set Menu, Delete and Review the Incoming Call Records -Skip Forward, Backward -Digital Volume Control -Answer ON/OFF Swith -Indoor monitoring function -Two-Way Recording -Time Setting and Voice Broadcast Time/Set code -Message Playing, Mailbox Selecting and Message Recording -Full Remote Control Function -Battery Back Up and low Battery indicate -DC+12V power Supply