How to Set Up a Smart Plug and Control Your Lamps from Your Phone

A smart plug is a small device that goes between your wall outlet and whatever you want to control — a lamp, a fan, a coffee maker, a phone charger. Once plugged in, the smart plug connects to your home Wi-Fi. And you can turn it on or off from an app on your phone, from anywhere in the world.

You can also set schedules. For example: turn the lamp on at 6 PM every day, and turn it off at midnight. Or set the coffee maker to start brewing at 7 AM. Once the schedule is set, it happens automatically without any tapping.

If you have an Amazon Echo (Alexa) or a Google Nest speaker, you can also control smart plugs by voice: "Alexa, turn off the living room lamp."

Smart plugs work with any device that plugs into a standard wall outlet. They cannot control devices wired directly into the wall (like built-in ceiling lights) — for those, you would need a smart light switch instead. Smart plugs also work best with simple on/off devices. They are not designed for devices that need to be set to a specific power level, like a dimmer lamp or a device with complex settings.

Popular smart plug brands include Kasa (by TP-Link), Wemo, Amazon Smart Plug, and Wyze. All are available at stores like Best Buy, Target, Walmart, and Amazon for roughly $10 to $20 each.

Most smart plugs require a 2.4 GHz Wi-Fi network (not 5 GHz). If your router broadcasts both, make sure your phone is connected to the 2.4 GHz network during initial setup — most routers show this as a separate network name with "2.4G" or "-2G" at the end.