IOS Android APP GSM&PSTN Touch Pad Home Alarm Security System Home security system complete with fully programmed,when you receive the package,just put it in some where you want to protect.The alarm system up to 99 wireless zones, each wireless zones can be defined as one of the 8 zone types, each zone can setup the siren independently.There are 8 zone types(Normal,Stay,Intelligent,Help senior,Chime,Welcome,Emergency),if you set a door sensor into Chime or Welcome zone type,when the door be open,the alarm host will saydingdongWelcome. Touch screen TFT color display GSM&PSTN alarm; Dual Network: GSM + Telephone line;Burglar Alarm System,the alarm system come with phone line,if in your area the signal is not so good,you can use phone line to call you via alarm host,or you also can put both SIM card and phone line into alarm panel in order to avoid which one fail. Auto-dialer function will call up to 6 designated phone numbers in case of a security breach, you also can use SMS function.The alarm system with CONTACT ID function,when you are outside,some emergency happen,it will call alarm center,they will help you to take an action avoid worse. Passive motion sensors detect any suspicious movement or activity.Door/Window contacts detect any forceful break-in, 100% test before shipping.Remote control with arm/disarm/stay arm/emergency button. If you are in USA,we suggest you can use AT&T,T-mobile GSM SIM card.If you are in other country,please remember to use GSM card,the alarm system not support CDMA.If you have any question,please feel free to leave us amazon massage.Thanks.