MAIN FUNCTIONS:
-FSK/DTMF/ETSI ID caller signal receiving compatibility;
-Character Display, clear and beautiful;
-Three-line LCD Screen display for displaying number,
Time and date synchronously, and information is rich;
-100 records incoming calls memories;
-30 records outgoing calls memories;
-Automatic calling back function;
-Built-in real time clock;
-The batteries Low Voltage indication;
-Adjustable LCD Screen.