This is a smart motion sensor which can work dependently without hub , can accurately detect moveing in the room , and can be compatible with Alexa and google home assistant to push and start the voice assistant to protect the house security . Besides, it can IFTTT other smart items . Also, it can associate 2 device sot work to creat your own scene and shart your devices to others directly
how to work :
1. Run " smart life " from your smartphone desktop
2.Register and login
3. select device type , select " PIR " in the list to add the device.