... Alarm System,gsm alarm wireless alarm wired alarm,LCD Aalrm system,auto switch alarm,home security 16wireless zone King Pigeon S110 ... 10. Auto-detect and report, GSM Signal WEAK alarm, SMS Switch is available. >>>>>Functions & Features of the King Pigeon GSM ... or mainframe keyboard;>>Supports armed, disarmed, inquiry mainframe status, switch on or off relay output by SMS Commands;>>Automatically send ...