You can manage the sites created on Hik-ProConnect, which is a cloud service platform for the Installers (installation companies) in the security industry. On the platform, an Installers can provide services such as device configuration and device maintenance, for you, after you authorize devices and permissions to the Installer. The Mobile Client provides Hik-ProConnect related functions including authorizing devices to Installer, deauthorizing ARC service, viewing site details, editing the permissions authorized to the Installer, handing over sites to others, and canceling all authorizations to the Installer, etc.