... GSM Security System(LS-GSM-101) 8 wireless defence zones,each zone can add 10pcs wireless detectors, this system can ... House or Stay), Disarmed, SOS are available;4) Armed delay, alarm delay, siren work or not, more other functions are Programmable ... Signal status.7) Auto-detect and report, GSM Signal Jammer alarm, SMS Switch is available.8) User friendly Icons for LED ...