GSM Home Security Alarm System — 433MHz Detectors, Tuya APP & Remote Intercom, 2.4 inch Touch Screen, Autodial (up to 5), High Sound Siren

Instant, accurate alerts: when an intrusion occurs the main unit triggers a high-volume siren and immediately sends SMS and places calls to your preset phone numbers. The built-in autodialer can call up to 5 designated phone numbers to make sure emergency notifications are not missed. Simple local operation is provided by a 2.4 inch color intelligent menu with a touch keyboard and dustproof buttons. Remote control and intercom functions are supported, and the system can be managed remotely via the Tuya APP. Compatible with 3G networks to help ensure delivery of emergency information. Uses 433MHz detectors and is fully DIY-expandable — add accessories like RFID cards, door/window sensors, PIR motion sensors and external sirens to customize your home security setup.