KERUI 8219G Wireless Home Alarm System-3G PSTN GSM Touch Keypad Color Display Auto Dial Kit Free APP Control Support 3G PSTN GSM- User can choose one of three ways or use all of them.PSTN mean telephone line.The whole system complete with fully programmable main unit and wireless sensors. APP remote control - User can control the home alarm system by using free APP,support IOS/Andriod,including control host set and administration. Scheduled arm/disarmed function - Each timed arm/disarm you can select the period of time and different defense zone Built in rechargeable battery - When the home alarm system host be malicious disconnect the electricity or power outage etc,the backup battery supply power automatically. Wireless learning accessories - Spport 150 remote control and 150 sensors,constitute a comprehensive intelligent security system Alerts you when motion sensor detect movement of people, animals, or other objects, protect your home or business,garage. Transmit signal to alarm panel from up to 230 feet away unobstructed,detect angle of 110 degree horizontal view and 60 degree vertical view,detect range is up to 27 feet. Powered with 3pcs AAA alkaline batteries which are included along with all mounting hardware Easy to install,before using,please remove the insulating sheet inside,you can adjust the installation height and angle to avoid false alarming. Size:about 6X4.6X1.5CM Easy to install--just peel and stick Powered with 23A 12V batteries which are included Install on the door or window,in the door above,Alarm when the door or window is open,protecting your home or office Arm/disarm:you can arm/disarm your alarm system via remote controls Stay arm:System alarm only when detectors in stay defense zone were triggered. Other defense zones not SOS:Panic button for emergency help,emergency for Home/Business/Office/Child/Disabled person safety protection Wireless transmitting distance:80min the open area <span class="a-text-bold">Normal zone:</span> The Panel only works on the arming status. When disarming, there is no<br> response <span class="a-text-bold">Stay zone: </span>Can be shut off solely through the remote control (keyboard) to avoid the Infrared<br> Detectors and other in-room detectors from misinformation when master is resting at home <span class="a-text-bold">Intelligent zone</span>: If the detector in the Defense zone is triggered only once, it will not<br> immediately alarm. But if being triggered once again within 30 seconds after the first triggering, it will<br> alarm immediately <span class="a-text-bold">Senior zone: </span>This type of zone is for elderly safety, no matter in what status, the<br> panel will alarm once sensor with this zone type is triggered. System automatically dial 3groups help<br> senior number, once the phone picked up, it remind with voice of someone need help <span class="a-text-bold">Chime zone:</span> No matter in what status, when sensor with this zone is triggered, a welcome door bell<br> will be ring as notification <span class="a-text-bold">Welcome zone:</span> Working on the disarming status, when sensor with this zone is triggered, a<br> welcome voice message will be played. While in arming status, system alarms <span class="a-text-bold">Emergency zone: </span>No matter on arming or disarming status, if detector is triggered it will<br> alert. Usually used in connecting with Smoke Detectors, Gas Detectors and emergency button, etc <span class="a-text-bold">Closed zone:</span> No matter arming or disarming status, detectors will not alert even being<br> triggered