Using the Smart Plug TP-Link 4-Pack, you can turn your electronics on or off using your smartphone from anywhere in the home. These WiFi smart switch products allow you to automatically turn them on and off, set timers, countdowns and more. You can control lamps, fans, humidifiers, Christmas lights and more. They are simple to set up and use, needing only a WiFi connection and the app to control them. There are four plugs in each pack, each with a three-pronged power outlet as well as a button on the side that will let you manually work them.