It mainly provides distribution network functions for equipment, including the management of equipment, such as basic equipment information and the management of other equipment functions. The equipment can be directly controlled through the app. Regarding the users of the app, this app is for all users who purchase our equipment. Users can log in in two ways, one is to send verification code through email, and the other is to log in through email and password. Once the user successfully logs in through the email verification code, he can set a password in the app, and then he can log in through the email plus verification code, and the system will create an account by default. App will not have any paid items.