Power Plug is an intelligent device that can be controlled remotely by Z-Wave network which has particular frequency. In the Z-Wave network communications, Power Plug can be connected to any Z-Wave gateway. Different countries or areas, the radio frequency is different. In the communication with Z-Wave gateway, Power Plug can send and receive messages. When press the code button of plug, it will send messages to Z Wave gateway. Z-Wave gateway can display the on/off status of plug correctly; when power plug receives messages from Z-Wave gateway, the on/off status of plug can be switched remotely via mobile phone APP. Power Plug is small and light, very easy to operate.