for HomeKit ZigBee 3.0 Gateway Hub Tuya Smart Home Bridge Smart Life Automation Voice Control Works with Siri Alexa Google NOTE: 1. None of the three options supports Bluetooth. 2.Option 1 (HomeKit Wired Hub)Supports both HomeKit and ZigBee protocols.This device cannot be directly connected to WiFi(Needs to be connected to the network through the Ethernet Port).This is a dual-purpose gateway, which can be used as a ZigBee Hub to connect with TUYA APP, or as a HomeKit Hub to connect with Home APP.If you want your smart device to connect to Home APP through this Gateway/Hub, you need to make sure your smart device supports HomeKit authentication protocol.This Hub is compatible with ZigBee smart devices when using TUYA APP. When using the Home APP, you can add HomeKit-certified Zigbee devices to the gateway. When using the TUYA APP, Most Zigbee devices can be added to the gateway. Only one APP can be used at the same time, so one must choose between "Home APP" and "TUYA APP".Only HomeKit certified smart devices can be added to the Home APP.Therefore, you cannot connect an uncertified TUYA smart device to the Home APP through this HomeKit Hub. 3. Option 2 (ZigBee Wired Hub)Does not support HomeKit protocol.This device cannot be directly connected to WiFi(Needs to be connected to the network through the Ethernet Port).4. Option 3 (ZigBee Wirele Hub)Does not support HomeKit protocol.This device can be directly connected to WiFi(Not support 5Ghz WiFi network). Steps to add HomeKit child device(Homekit Acceories): Add and manage sub-devices1.Sub-device additions1Long pre the reset button of sub-device to make the sub-device enter the standby state (the indicator lights on).2Short pre the gateway reset button to make the gateway enter the sub-device adding state (steady blue, ashing purple).3Devices will be automatically added to the gateway. After the addition, the icon of sub-devices will appear in the APP (sub-devices will be in the room of the gateway by default after being added)2. Sub-device settingsLong pre the sub-device icon to enter Settings3. Remove child deviceSince there is no option to directly remove the sub-device in the HomeKit gateway in the Home APP, it is neceary to remove the sub-device from the TUYA APP, and the Home APP will remove it synchronously. For details, please refer to the demo video. thanks.