YBJ Wireless Alarm System for Home Security,DIY 4G Smart Home Alarm System with APP Alert, 24-Piece-Kit (Motion Detector,Door Window Sensor,Siren,Remote Control),Work with Alexa and Google Assistant

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Overview Brand : YBJ Color : Black Power Source : Corded Electric Compatible Devices : Smartphone Item dimensions L x W x H : 6.3 x 3.94 x 0.79 inches About this item [ No Any Mont hly Fee ]: No any monthly fee, 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, 5* PIR motion detector, 10* door window sensors, 3* remote controls, 3* 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. Support expansion of up to 100 accessories. You can add extra PIR motion detector, door window sensor, remote control, RFID cards and other wireless detectors as you need. [ Support WIFI and GSM dual network ]: Support 2G/3G/4G sim card (the sim card is not included, you need to buy it separately.) and 2.4GHz wifi network (not work 5G wifi). You can use GSM 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. Show more