Fariedl wifi smart door sensor detector (1 piece) black Door & Window Alarm  (36 dB)

Multi-platform intelligent linkage: supports WiFi connection, is compatible with Smart Life and Tuya ecology, and can also be linked with Amazon Alexa and Google Assistant voice assistants to query the status of doors and windows by voice to achieve intelligent security for the whole house. Real-time abnormality reminder: When a door or window is opened abnormally, an alarm notification will be pushed to your mobile APP immediately, allowing you to know the status of the door and window immediately whether at home or out, improving the safety of your home and property. Flexible installation in multiple scenarios: It can be attached to key areas such as doors, windows, drawers, file cabinets, safes, etc. It is suitable for homes, offices, shops, etc. It is compact and concealed and does not take up space. Minimalist installation and operation: It adopts magnetic separation design and can be installed with adhesive backing, without wiring or professional operation; APP pairing is simple, and even the elderly can use it easily. Low power consumption and long battery life: It is powered by batteries and can run stably for more than 1 year after one installation. There is no need to replace the battery frequently, and the long-term use cost is low.