Device Management is a connection capabilities-based service, aiming to help you efficiently operate and manage connected devices. The fee of each device's cloud authorization service covers cloud registration, so you don't need to pay extra for Device Management services.
Services provided by Device Management are priced on a pay-per-use model, and you are metered or charged for specific usage of a service. The services include remote operations, device query, logging storage, and more. There are no minimum fees or mandatory usage requirements.