All-In-One Wifi+Gsm/4G Home Smart Alarm Security System Kit With Motion, A). Product Details ?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) Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.