The Shelly Qubino Wave Plug can manage supplies of us to 3000 W (resistive) at 13 A and measure power consumption of the connected appliance, indicated by the colour of the LED ring. As a Z-Wave smart plug with power metering, it allows you to automate and remotely control a heater, TV, iron, or any other electrical appliance. The LED ring indicates current power consumption and warns of issues with the appliance such as overcurrent or overheating. Use the power metering to discover energy wastes of switched-on devices to optimise your utility expenses. Even set Smart Schedules to automatically set your devices to activate at a time when needed, set the TV to power off at a certain time each day to limit your childrens screen staring! **Please note:Z-Wave gateway (smart hub) sold separately. A Z-Wave gateway is required to configure the device.