Descriotion:  Tuya 3.0 Gateway WIFI Bluetooth Mesh 5.0 Gateway Hub Smart Home Automation Control Kits Works With Alexa Google Smart Home.    Feature:  - Strong performance: Fast and stable device control , Bluetooth 5.0 and communication ensure stable contol of 128 devieces.  - Remote control: The user can remotely control the devices that are conneced to the gateway through the mobile phoone , support reliable local linkage and group control services.  - Easy operation: Plug and play , adding sub-devices without network access and multiple sub-devices accessing the network at the same time.  - Smart multi-function: Support local scenario , automation , scenarios linkage , securith function and can be integrated into the tuya security saas platform.     Specification:  Input voltage: DC 5V  1A;  Working frenquecy: 2.400 - 2.4835 GHz;  WiFi standard: IEEE 802.11 b/g/n ( Channel 1-14 );  Bluetooth standard: Bluetooth 5.0;  standard:  3.0;  Antenna gain:  Gateway module: 1.05dBi;  module: 1.0dBi;  Temperature: - 10°C - 55°C;  Working humidity: 10% - 90%RH;  Dimension: 73 x 71 x 27mm;    Package Include:  gateway x 1;  Usb charging cable x 1;  Adapter x 1;  Manual x 1