Here is the Ultimate Smart Home Tech Tour for 16 Channel Smart Power Distribution Board DIY mainly used by KC868-H16B Smart Relay Controller and KC868-COLB logical controller and power meters. Step by step, it's very easy to DIY. Perfect for Smart home 2021. Smart Controller also can connect with Arduino or Nodemcu or Raspberry PI.It open protocol and have demo source code.Support integrate to Node-Red and Home Assistant platform. if you want to talk with us or want circuit diagram and software documents, please subscribe and leave message to us. Box diagram link: https://www.kincony.com/16-channel-smart-distribution-box-diy.html if you have interesting and want to DIY, there are all parts for you: https://www.kincony.com/smart-distribution-board-diy-bundle.html KC868-H16B smart controller online store order link: https://www.aliexpress.com/item/1005001756209933.html?spm=a2g0o.store_home.hotSpots_1276260988.3 KC868-COLB smart controller online store order link: https://www.aliexpress.com/item/1005001977424019.html?spm=a2g0o.store_home.hotSpots_1276220107.0 switch terminal board online store order link: https://www.aliexpress.com/item/4000837921689.html?spm=2114.12010612.8148356.29.3652580dQLehLQ visit for more: KinCony's website: https:www.kincony.com Aliexpress Online Store: https://kincony.aliexpress.com/store/807891 Facebook: https://www.facebook.com/kincony.smarthome Twitter: https://twitter.com/kincony