... Set alarm ON or OFF by remote controller/ SMS/ Call.4.Check the arm and each zone status by SMS ... message alert. Set alarm ON or OFF by remote controller.Call in to set alarm ON, OFF, Monitor, Output, ... of siren: 110dBPacking include :1 gsm main panel, 1 wireless pir sensor, 1 pair of door magnetic/ sensor,1 ... alarm siren,2 remote control1 adapter1 User Manual 99 wireless zone GSM alarm system