Note: The smart Zigbee Tuya thermostat must work with Tuya gateway Hub which supports ZigBee protocol. It can’t work without Tuya ZigBee intelligent gateway. The HC-T010-TYZB series range has been developed to control water heating systems. These units are designed for use in commercial, industrial, civil and domestic properties. Features: ¡¾APP Control¡¿ Smart thermostat that can be controlled by your phone from anywhere before you come back home. (APP: Tuya) ¡¾Voice Control¡¿ Compatible with Amazon Echo, Google Home, Tmall Genie, IFTTT. For example, you can say, “Alexa, set bedroom to 25 degree.” ¡¾Accurate Temperature¡¿ Internal sensor floor sensor, perceptive ambient temperature and the floor’s temperature. 0.5¡æ Accuracy keeps temperature within the level you set. ¡¾Weekly Programmable¡¿ The thermostat supports different temperature setting accordingly with 6 time-modes daily. ¡¾Group Control & Smart Scene¡¿ Create thermostat group to centralized control. No limit to add