Smart Control from Anywhere: Protium smart Switch works with Alexa, Google Assistant and IFTTT, you can simply control it with voice order when your hand is busy. Turn electronics on/off from anywhere with mobile devices using the Smart life app, No hub Required , Low power loss and long service life. Timer and Devices Sharing: You can set up time schedule to run your home devices automatically, multiple schedules can be set to meet specific needs. And sharing your account to your family, all can control your lovely home. Remote Control: Download the free app "Smart life", after setting the smart plugs on your mobile phone, you can control the household devices anytime and anywhere. You don't have to worry about whether the home appliance has been turned on/off. You can check it whenever you are not at home. Control device from Local or Anywhere: The button the the Switch can be used to Turn ON/OFF the connected appliance, It can be used for manual ON/OFF function. Or When you are out of home or travelling, You can Use Mobile App "Smart life" to turn the Switch ON/OFF. Well Work with AC 220V , Same device can be used to Remote Open any Existing Electronic Door Lock as Well , so that you may keep control of Main Door Lock using this Switch