WiFi intelligent door magnetic alarm, APP control/door and window status query/high decibel alarm 90dB/door opening record query/battery power query/APP message push. Alarm principle: After the door is opened, an alarm signal will be sent immediately. When the door or window is illegally When it is opened, the door sensor will alarm on the spot and push the alarm to the APP. You can check the opening and closing status of the doors and windows in your home through the mobile phone APP anytime, anywhere. It is small, flexible and concealed. The main body and the magnet should be far away from the magnetic field, and when the door and window are closed, the distance between the two It should be less than 15mm. When you open the window for ventilation, the air conditioner will automatically turn off for you, which is worry-free and energy-saving. When you go home at night and open the door, the lights will automatically turn on. Smarter linkage makes the home warmer. It is widely used in doors and windows, drawers, filing cabinets, safes, etc. It is widely used beyond your imagination. Quiescent current: