[ Easy to install ]: No professional knowledge needed, you can install it in minutes. Just fix the alarm host on the wall(screws are included), plug in the Micro C data cable and power it on. Built in back-up battery for emergency use. Package includes 1* alarm host; 5* motion detectors; 10* door window sensor; 3* remote controls; 3* RFID card; 1* alarm siren and 1* sos button. [ 4.3 inch touchscreen ]: 4.3 inch IPS capacitive touch screen, simple style, responsive and enhanced user experience. Easy operate for the older and the children. Support setting different theme color. [ Support dual network and work with Free APPs]: Support 2G, 3G, 4G sim card ( does not support 5G sim card) and 2.4GHz WiFi ( does not support 5G WiFi). If a SIM card is inserted,the alarm system can work normally even if the wifi is disconnected. // Work with "Tuya" and "Smart Life" APP, you can operate anywhere on APPs. Also, when the sensors are triggered, you will get real-time notification via APPs. // Compatible with Alexa and Google Assistant, you can voice control this alarm system. [ Supports timing arm, disarm and expansion of accessories ]: You can set timing arm and disarm on alarm host or APPs to avoid repeated operation and save your time. Support expansion of up to 200 accessories, such and motion detector, door window sensor and other accessories which can work with "Tuya" and "Smart Life" APP. [ Secure your home ]: This alarm system is the best gadget to stop thieves before breaking. With inserting a sim card, you can preset up to 5 groups of phone number. When the sensors are triggered, the alarm system will issue more than 120db sound to scare off the intruders and will auto dial your phone number and send you a alarm message. If the phone number is busy, it will auto the next phone number, so that you will not miss anything important.

Features:

4.3-inch full touch screen, simple interface and easy to operate.

Support WiFi and 2G/3G/4G dual network.

Work with "Tuya" and "Smart Life" APP.

Compatible with Amazon Alexa and Google Assistant.

Support up to preset 5 groups of phone number. 

Support APP notification, Call notification, SMS notifucation.

Support up to pair 200 accessories.