Wifi+Gsm/4G Home Smart Alarm Security System Kit,Diy Wireless Burglar, Pg108-A Product Features ?WiFi GSM/4G+NO MONTHLY FEES?:Just connect the alarm host to power source (backup battery included.) Then connect the host to WiFi through ''Smart Life'' app. Support GSM sim card,you can use GSM/3G/4G network. (Only work on 2.4GHz WiFi. Not support 5G) ;There are absolutely no monthly fees or contracts required. ?APP CONTROL "SMART LIFE " / "TUYA" APP?Supports APP remote control and parameter setting. You can set alarm modes/get notifications/sync all your alarm devices and monitor them from App according to your needs,eliminating the trouble of repeating settings every day! ?EASY TO lNSTALL+SOS EMERGENCY KEY?:NO professional needed,just install by yourself, only need to fix the host panel to the wall(screws included),you can install it in minutes. Instruction manual is also included in the box. With time display and disarm/arm display, the status of the host panel looks simple and generous , you can always know the status of the alarm.One-click SOS button,In an emergency, press the SOS button in time to protect your family's safety. ?EASILY TO EXPAND ACCESSORIES?PGST alarm host is responsible for connecting with all of the paired sensor accessories. Up to 100 wireless storage locations to learn accessories?Such as Motion Detector,Door Sensor,Outdoor siren,etc. ) When motion is detected by sensors, your phone will get a instant push alerts by the system and an alarm will issue up to 100dB alert. You can control this alarm system Arming/Disarming/Voice Monitoring /Intercom by cellphone anywhere. ?DIY YOUR HOME SECURITY SYSTEM TO ENJOY INTELLIGENT LIFE?: Multiple combination to pairing with additional PGST accessories,such as door sensor/motion detector/SOS button/outdoor siren.etc. easily extend your security system to fit your home layout. Support multi-channel alarm mode such as APP SMS push/Voice monitoring,etc.you can edit the host system manually according to your different needs. ( If setting up the system is difficult for you, please refer to the User Manual or Operation Video) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!