WiFi smart door and window sensor Monitor the switch status of doors and windows in real time. When the doors and windows are opened (the magnetic strip of the door sensor host is separated), the door sensor will immediately sense and send a notification or link to the smart home. The gateway works independently. Open the door and turn on the lights, lighting up a touch of warmth for the return of the owner. When you are away from home, you can know the situation at home at the first time, support voice control, and add devices: Open the Tuya Smart APP, click Add Device, and select the door and window sensor; select the door and window sensor shown in the picture to enter the next step; Fast flashing, press and hold the reset button for 5 seconds with the card removal needle, the indicator light flashes slowly, enter the manual network distribution mode, and the APP selects the compatible mode; enter the WIFI password and wait for the network distribution to be successful; pull the door sensor to remind the door sensor to be opened ;Close the magnet door sensor. A reminder that the door sensor is off.