1Battery Reminding: Low battery alerts in application can achieve real energy savings and timely battery replacement, keeping the normal running of the sensor alarm. 2Using Method: The sensor's history is viewable and can monitor the condition of the house in real time, as well as a remote control to check how much TV a child is watching at home. 3Intelligent Linkage: Intelligent automation linked with other smart devices and application, the sensor and smart switch intelligent link. 4Built In Function: The application software has smart curtain switch, once detected drop or vibration, will open the curtain. 5Automatic Turn On: When the sensor detects vibration, the smart switch will be triggered to open to provide assurance of monitoring of the home's property.