Smart WiFi Door and Window SensorThe door and window alarm sensor is designed to monitor the open or closed status of any entrance. An alert notification will be automatically sent to you within 10 seconds once the sensor is triggered. Ideal for front door, window, baby room, garage, etc. The door status and battery power can be checked in the app. A must-have accessory for security system. Real-time MonitoringThe smart door sensor can protect your home security in real time. You will receive a real-time push notification on your app when the sensor detector separates, which means your door has been opened without your permission. You can monitor your home security easily with the door sensor. Remote Monitoring via AppThe window and door contact sensor is controlled by Tuya Smart Smart Life App. You can download the app from the app store or by scanning the QR code on the package or user manual. Make sure the WiFi is 2.4GHz. Smart Home InteroperabilityAutomatically turn on/off your smart home devices by connecting the smart window and door sensor to your other smart home devices. For example, your home will automatically turn on when you open the door when you come home from work. Life has never been so smart.