YBJ Alarm System for Home Security |16-Piece Kit Home Security System | Expandable | Easy Setup | Mobile App Control | 24/7 Professional Monitoring | Alexa and Google Assistant Compatible

[ No Monthly Fee ]: No hidden costs and subscription fee. Work with Free app ("Tuya" and "Smart Life" app). You can control your alarm system anytime anywhere with your smartphone. Works with Alexa and Google Assistant, you can use voice to control your alarm system. Package includes 1* alarm host, 3* PIR motion detector, 6* door window sensors, 2* remote controls, 2* RFID card, 1* alarm siren and 1* SOS button, all come with the required batteries.
[ Easy to Install ]: NO professional needed, No wiring or drilling required, only need to fix the alarm host to the wall (screws are included). Then connect the alarm host to power source. Supports up to 200 sensor accessories.
[ Support WIFI and 4G dual network ]: Support 2G/3G/4G sim card (the sim card is not included, You need to purchase it separately from your carrier..) and 2.4GHz wifi network (not work 5G wifi). You can use 4G when the wifi is power off.
[ Timing Arm and Disarm ]: You can set timing arm and disarm by app or keyboard to avoid repeated operation. Also, a delay time can be set to avoid alarms caused by users leaving the site and passing through the deployed area.
[ Anti-theft Protection ]: When someone triggers the system, it will sound a loud alarm to scare off thieves, Tuya or "Smart life app will push information to you, the alarm host will make a call or send a message to the preset phone number.