Super Strong Multiple Gateway , Bluetooth SigMesh + Zigbee 3.0: enhanced signal coverage based on Bluetooth SigMesh standard protocol and Zigbee3.0 standard protocol, and the maximum transmission distance can span 1-4 layers through the wall 1~4 (concrete). Stable control 400+ devices: Guarantee Stable Control Bluetooth mesh(SIG) devices 200 +, Guarantee Stable Control Zigbee devices guarantee 200+ The super enhanced signal coverage of tuya zigbee gateway, the transmission distance can span 1~4 floors, through the wall 1~4 walls (concrete), suitable for large floor, floor, villa, library and other scenes Smart home brain center linkage control smart devices: He is the "central brain" of smart home, and different types of smart devices take it as the hub to accept its instructions and scheduling, which can easily realize the linkage and control between smart devices to create a richer smart home application scenario.Wired multimode Gateway (enhanced) Smart home connected control center, Bluetooth MESH(SIG)|ZIGBEE 3.0| Inter-protocol local linkage, Supports fault replacement for inter-gateway linkage Fault replacement function If the gateway is broken, buy a gateway can inherit the device, graffiti account login, click on the device in the APP to replace the cloud content will be automatically delivered to the gateway Associate with tuya smart devices in App for local scenario linkage and automation. Support network offline local contro & one-key replace faulty gateway without re-pair devices The multi-mode gateway supports Wi-Fi+Bluetooth 5.0+Zigbee multi-protocol communication. NOTE ZigBee3.0 Wired Gateway Hub This device cannot be directly connected to WiFi(Needs to be connected to the network through the Ethernet Port). If you want your smart device to connect to TUYA APP through this Gat