... , silent alarm, 24-hour defense zone, Time-delay arm and Time-delay alarm/trigger, Deleted zone and Disable ... , silent alarm, 24-hour defense zone, Time-delay arm and Time-delay alarm/trigger, Deleted zone and Disable ... message)Working frequency:315/433Mhz External power failure alarmStart-time:less than 2sAlarm response timeLess than 8s (GSM ... 1 outer alarm siren,2 remote control1 adapter1 User Manual