Security Systems for House,App Control with Real-Time Alert No Monthly Fees Keyboard Home Security Systems,WiFi+GSM/4G DIY Kit for Smart Life or Tuya,Compatible with Alexa/Google,Apartment

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About This No Monthly Fees or Contracts: This Alarm System requires no charges or subscriptions. Simply insert a SIM card, and you can use all its functions permanently for free. S leek Design & Quick Installation: The Home Alarm System features a keypad design, which significantly reduces overall power consumption and simplifies operation. With a built-in doorbell function in the main unit, it can be installed by one person alone. Multiple Control Methods: The Home Alarm System supports three control modes—remote control, APP, and main unit. It adapts to different needs and groups, enabling more convenient and flexible arming/disarming for your home. 2.4GHz WiFi + GSM/4G: The Home Security System only supports connection to 2.4GHz WiFi or insertion of a 4G SIM card, enabling APP-based remote control and notification reception. It is compatible with the "Tuya" and "Smart Life" App. Tamper Alarm & Safety Lock: Once the Home Security System is installed, forced removal by external force will trigger an alarm immediately. After arming, the main unit will activate the safety lock, and further operations can only be performed after entering and verifying the security password. Compatible with Google Assistant & Alexa: The Alarm System can be connected to Google Assistant or Alexa, supporting voice control to save you time and effort. Overview Brand : PGST Power Source : Battery Powered Compatible Devices : Wifi Item dimensions L x W x H : 7 x 3.5 x 3 inches Connectivity Technology : Wifi Show more