Feature:[Make Fingerbot More Intelligent]:Add this hub link smart fingerbot button to Wi-Fi (support 2.4GHz) compatible with Alexa, Google Home, and remote control. [Extremely stable and reliable signal]:Bluetooth single point & Mesh signal are steady enough with a wide coverage and strong wall penetration ability. [High-level encryption ]:The Bluetooth hub uses the industry' s high-level encryption to transmit information on the WiFi and Bluetooth terminals to network communication security and 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. [Note]:Only support 2.4GHz WiFi. Compatible with Tuya Smart APP, work with alexa and google home. Specification: Product name: Smart Bluetooth Gateway Power input:: DC 5V 1A Operating temperature: -10~55 C Operating humidity: 10%~90% RH (Non-condensing) Wifi protocol: 2.4G WiFi Wireless connection: Bluetooth Product size: 64 x 64 x 15mm APP: Tuya smart/Smart Life Color: White Material: plastic Package Contents: 1 x Tuya Bluetooth Gateway Only the above package content, other products are not included. Note: Light reflection and 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.