Features: *Digital sensitive touch keyboard, fashion & novelty. LCD screen display and voice prompt for all operations. *Can remote arm or disarm by phone, and with intercom function.
Main Function and Feature: 1:GSM/PSTN system use SIM card and telephone line. GSM frequency: 900/1800/1900MHz Tri band; 2:2 wired zones and 99 wireless zones; 3:With voice reminder when users