... -second voice record SMS alert for power off alarm history check Hot selling GSM House Alarm System with Voice ... , system will make alarm call to these numbers automatically;6. Can store 3 SMS numbers: when alarming, ... gas, door, hall, window, balcony, and boundary places alarm;13. Real-time, delay, 24 hours, bypass defense ... 2013; Booth: 35038, 35040 Hot selling! GSM House Alarm System Motion Sensor