Features: 【APP Control】Smart thermostat that can be controlled by your phone from anywhere before you come back home. (APP: Tuya/Smart Life) 【Voice Control】Compatible with Amazon Echo, Google Home, Tmall Genie, IFTTT. For example, you can say, Alexa, set bedroom to 25 degree. 【Accurate Temperature】Internal sensor floor sensor, perceptive ambient temperature and the floor\'s temperature. 0.5℃ Accuracy keeps temperature within the level you set. 【Weekly Programmable】The thermostat supports different temperature setting accordingly with 6 time-modes daily. 【Group Control Smart Scene】Create thermostat group to centralized control. No limit to add thermostats and support Smart Scene. 【Easy Operation】Touch Screen display with backight is easy to read even in the dark. Easy Ul interface, convennient operation creates convenient life. 【Synchronize Design】All setting languages synchronize your time zone, address and language. 【Memory Function】No need to worry about power failure, data memory when power is off. Note: Please ensure a professional person to install your thermostat.