Smart Life Devices: Wireless home alarm kit has a stylish and refined appearance. White color meets simple European style; it's plug-and-play and lightweight so you can take it with you. The WiFi network alarm supports APP push to ensure stable and reliable alarm performance. With wireless sensor. Battery low voltage alarm function. Support voice control. Up to 4 remote controls and 50 wireless detectors to learn storage positions. Support Wi-Fi or GSM signal:The GSM WiFi network alarm supports APP push to ensure stable and reliable alarm performance. Without the SIM card, you can still use the on-site alarm function. No monthly fees 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: : wireless home anti-theft will not destroy the style of home decoration or damage the walls; Built-in powerful processor based on 32-bit Core Cortex-M3, supports Tuya APP remote control and compatible with Amazon Alexa, Google Assistant for voice control. Quick and easy installation: wifi home alarm installed in a few minutes without preventive technical knowledge. Can be connected with pins, screws and adhesive strips: all these devices are included in delivery. The humble modern design is perfect for any interior Free Matching: Home alarm burglar kit includes accessories motion detector, door sensor, remote controls and SOS button to choose from for windows alarm , garage anti-theft device and perimeter anti-theft device. You can freely match it according to the size and needs of your family home, including SOS one-button secret call for help can be given to the elderly and children with cords, and you can receive l '" Aid ". By pressing a button.