[Make Fingerbot More Intelligent]Add this hub link fingerbot to Wi-Fi (support 2 4GHz) compatible with Alexa, Google Home, IFTTT timmer control One gateway can connect multiple fingerbots [Extremely stable reliable signal]Bluetooth single point and Mesh signal are steady enough with a wide coverage strong wall penetration ability,strong anti-interference ability as well, even featured as low heat generation low power consumption [High-level encryption ]The Bluetooth hub uses the industry's high-level encryption to transmit information on the WiFi Bluetooth terminals to network communication security prevent malicious intrusion [Multiple devices available]The same network supports multiple devices to work at the same time to improve network reliability;Compatible with Tuya Smart APP ensures its intelligent controls for Bluetooth devices on smart phones anywhere from anytime;USB Plug easy to use Material: plastic Color: White Package Contents: 1 x Bluetooth hub Only the above package content, other products are not included Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is 1-3cm