No hidden costs and subscription fee: No contract with security company with Free app, your alarm kit includes 1 alarm host,1 motion detector, 2 remote controls, 10 door/window sensors, 2 rfid cards and 1 wired siren, all come with the required batteries. Support WIFI and GSM dual network(you also can use only WIFI Or GSM, The WIFI only can work with 2.4G, not work with 5G), the SIM card you can use T-mobile or Speed talk mobile.
WiFi&GSM 17-Piece Kit, Wireless Home Security Alarm System Door/Window Sensor Entry Sensors (x10) with Smart Life and Tuya App Alert, Messges, 24/7
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Buy Tuya WiFi GSM home Security Protection smart Alarm System Touch screen Burglar kit Mobile APP Remote Control RFID Arm and Disarm at Aliexpress for
Tuya WiFi GSM home Security Protection smart Alarm System Touch screen Burglar kit Mobile APP Remote Control RFID Arm and Disarm
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