... Main Features :1, LCD display, with keypad to operate, very easy to operate2, GSM network, no need telephone line3, ... on panel8, Can check system’s status by SMS to know if arm or disarm, when you are ... , When power is off, it will send SMS to alert, when power is on, will also alertTechnical ... a wireless door/window gap detector a siren, two remote controllers, a power supply, a camera, a manual ...