Smart WiFi Door Sensor

The smart WiFi sensor can receive real-time alarms remotely. When the door or window is opened or closed, the sensor will push an instant notification to your smartphone immediately.You don't have to worry about your baby going out of the house without notice; you will easily know when your aged parents leave or arrive home; and you can even be sure when someone enters your home,shop,office ,etc.It is easy to install. You simply use 3M glue to secure it firmly and permanently. The two arrows are opposite, and the distance between the two competitors should be as close as possible.Specifications: Color: White Size: 7.2*3*1.9cm Smart Home Platform: Tuya Package Includes: Smart WiFi Door Sensor * 1