[Make Fingerbot Smarter] Add fingerbot link hub to Wi-Fi (2.4GHz support) compatible with Alexa, Google Home, IFTTT and timer control. One gateway can connect multiple fingerbots [Extremely Stable and Reliable Signal] Single-point and mesh Bluetooth signal is stable enough with coverage and strong wall penetration ability, as well as strong anti-interference ability, even with low heat generation and low power consumption. [High-level Encryption Method] The Bluetooth hub uses the industry's high-level encryption method to transmit information on WiFi and Bluetooth terminals to ensure the security of network communications and prevent malicious intrusions. [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 smart controls for Bluetooth devices on smartphones anywhere and anytime; USB plug charged and easy to use. Material: plastic Color: White Package Contents: 1