【Smart Life Devices】: The wireless home alarm kit has an elegant and sophisticated appearance. White color meets simple European style; it is plug and play, lightweight and can be carried around; The 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 wireless detectors to learn action memory positions. 【Supports WIFI or GSM Signal】The GSM WiFi network alarm supports APP push to ensure stable and reliable alarm performance. Even without a SIM card, you can use the on-site alarm function. No monthly installment and no need to sign a contract 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 SMS messages from the alarm. 【Supports Google, Alexa and Tuya】: Wireless home anti-theft device will not destroy the home's interior style or damage