TP-LINK HS100 / Wi-Fi Smart Power socket / White

Quick overview from the supplier:

TP-LINK "HS100" Wi-Fi Smart Power socket Remote Access – Control devices connected to the Smart Plug wherever you have Internet using the free Kasa app on your smartphone. Scheduling – Schedule the Smart Plug to automatically power electronics on and off as needed, like setting lights to come on at dusk or turn off at sunrise. Away Mode – Turns your devices on and off at different times to give the appearance that someone is home. Amazon Echo Voice Control – Amazon Echo (sold separately) lets you control devices connected to the Smart Plugs just using your voice.