Another great thing about the Smart Plug is that you can control multiple Smart Plugs from the HYDROS app. You might use one to power the heater in your display tank, another for your return pump, and a third in your office which you could program to turn on a lamp to alert you if one of your connected devices is not operating normally. The beauty of it is that you can control all these different Smart Plugs that are being used for different purposes using a single app.