... n Can store 3 SMS numbers: when alarming, system will send alarming SMS automatically;n 10-second automatic ... a telephone;n One-key-control function: Out Arm, Home Arm, Remote Arm;n SOS, fire, gas, door, ... n Can store 3 SMS numbers: when alarming, system will send alarming SMS automatically;n 10-second ... a telephone;n One-key-control function: Out Arm, Home Arm, Remote Arm;n SOS, fire, gas, door, ...