Smart Life Devices: Wireless home alarm kit has a stylish and refined appearance. White color meets simple European style; its plug-and-play and lightweight and can be carried with you; WiFi network alarm supports APP push to ensure stable and reliable alarm performance; with wireless sensor. Low battery voltage alarm function; supports voice control; up to 4 remote controls and 50 50 wireless detectors to learn action storage positions. Support WIFI or GSM signalThe GSM WiFi network alarm supports APP push to ensure performance of stable and reliable alarm. Without the SIM card, you can also use the on-site alarm function. No monthly fee and no contract to sign with a security company. After inserting the SIM card, you can import six groups of phone numbers for the alarm and two groups of phone numbers that receive the alarm SMS Support Google, Alexa and Tuya: Home anti-theft without wire will not destroy the decorative style of the house or damage the walls; Powerful embedded processor based on 32-bit Cortex-M3 core, Support Tuya APP remote control and compatible with Amazon Alexa, Google Assistant for voice control. . Quick and simple installation: Wi-Fi home alarm installed in minutes without preventive technical knowledge. Can be connected with poles, screws and adhesive strips: all these devices are included in delivery. Sleek modern modern design perfect for any interior Free Match: Home alarm burglar kit includes accessories Motion sensor, door sensor, remote control and SOS button to choose from for window alarm, burglar alarm and garage burglar alarm perimeter. You can freely match it according to your family home dimensions and requirements, including One-button SOS secret call for assistance can be given to the elderly and children with cords, and you can receive the Assistance by pressing a button.