This is a hotsellingTuya Wireless Intrusion Alarm Monitoring Security System w RFID 4G LTE/GSM

It is a wireless alarm system that protects your house away from burglaries. The system not only work the control unit as the brain, but also can connect wireless PIR motion sensor that can detect human movement inside your property, a wireless door/window sensor to monitor the main-entry,  remote controls and RFID keychains, and a loud siren that makes audible deterrent. our alarm panel uses dual communicators include a GSM/GPRS cellular communicator which automatically dial phone call and automatically send you text message (SMS); a Wi-Fi module to support remotely access through smartphone and send push notification upon intrusion occurs.

The wireless alarm system is based on global leading IoT platform to provide you reliable cloud connection. You're able to use Tuyasmart / Smart Life app to control the system and receive push notification when intrusion alarm is tripped. The free app (compatible with iOS and Android devices) allows you to remotely activate / deactivate alarm system remotely whenever/wherever.