As an IoT device, it can be used for all household appliances under 16A. You can remotely control the electricity and electronics of your home or work at any time and anywhere through your smartphone, and you can check invisible electricity directly with your smartphone app to help you make smarter power consumption. The standby power of unused home appliances can be checked in real time and completely blocked to prevent wasted electricity bills. For safety, overload (16A) shut-off and overheat cut-off (abnormal temperature rise) are applied. If you have an AI speaker, it is a necessity for a smart home that can control voice. The communication method is a model that supports WiFi.