Energy limit which is defined by user based on the energy consumption history represents the energy limit of the following 4 weeks of a smart socket, and weekday/weekend quota is the socket’s one-day energy quota. Taking smart_socket_1 as an example, its weekday/weekend energy usage is 2.24 kWh/3.79 kWh in average, totally consuming 75.12 (=2.24∗20+3.79∗8) kWh in the last 28 days