Here is the Smart Home Automation DIY Project use by KinCony’s KC868 smart network relay module and self-reset switch button.
It’s very easy to DIY. Perfect for Smart home 2020. Smart Controller also can connect with Arduino or node MCU or a raspberry pi.
It is an open protocol and has a demo source code. Now the KBOX is a local LAN phone app for iPhone and Android phone apps. KBOX not need the internet.