We provide kinds of samrt distribution box, the difference is the number of channels and load power current.
YouTube video tour: https://www.youtube.com/playlist?list=PLQUWhE_6LeOSUgDlpb4aF07yCfpKxLjC8
KinCony technical support forum: https://www.kincony.com/forum/
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