It is a product of smart socket developed by Yueh In Co., Ltd. With plugging your home appliances into the smart socket, you can control the home appliances by youriphone or get through internet anywhere. Therefore, wherever you are, you do not mind whether you forget to turn off your home appliances or not. It is because you can control them at anywhere and anytime. You can also set the on/off time through this app, then your home appliances can be automatically turn on or off at the appointed time you need