4 channel Smart Power Distribution Box control by phone APP and PC computer software. It can work in LAN or WAN, not need internet also can use.
This is demo video that how to diy a Smart Power Distribution Box link: https://www.kincony.com/smart-power-switch-made-by-kc868-h8-controller.html
YouTube video tour: https://www.youtube.com/playlist?list=PLQUWhE_6LeOSUgDlpb4aF07yCfpKxLjC8
