Activity detection monitors whether the emergency button is pressed to trigger push. After message push is enabled on the app, when the emergency button is pressed, the information is transmitted to the cloud through the gateway, and then the message push is sent to the mobile phone. (support phone push notification, need to order) power detection battery power reporting linkage add products to be linked through software (lights and curtains...). When the emergency button is pressed, turn on or off the added (lights and curtains...) history in a preset way. Support to view the 7-day history, ZigBee