it’s a powerful 32 channel relay controller board, have 32 channel relay output, 6 digital input ports, ethernet + Tuya WiFi + ESP32 module, work with internet or without internet. support Tuya app, home assistant app, Google home app, Amazon alexa app, Apple homekit app, KinCony smart home app and KinCony KBOX app. KC868-H32B Pro can control by ESP32 write arduino code. We have made the arduino library for KC868-H32B Pro. it’s a good smart controller for home automation project.