General description Add the Tuya Hub Link to your Wi-Fi (2.4GHz support) to enhance the functionality of your Fingerbots. This hub is compatible with Alexa, Google Home, IFTTT, and timer control, allowing you to make your Fingerbot smarter and more efficient. One gateway can connect multiple Fingerbots, providing a seamless smart home experience. Technical specifications Material: Plastic Color: White Measurement allowed error: +/- 1-3 cm Other information Single-point and mesh Bluetooth signal with wide coverage and strong wall penetration ability Strong anti-interference capability with low heat generation and low power consumption High-level encryption method for secure network communications Compatible with Tuya Smart App for smart controls on smartphones USB plug charged for easy use Package Contents: 2 Bluetooth Hubs Note: Light reflection and different displays may cause slight color variations