Wi-Fi Smart Control: Easily to turn on/off, set timing and temperature and edit working modes on APP to create a comfortable living temperature for our home anywhere and anytime Amazon Alexa Voice Control: We can also simply ask "Alexa, turn on thermostat" , "Alexa, set thermostat to 86 (then the thermostat will be 30°C, because 86°F=30°C)" (for now only English language is supported) Anti-freezing function: 1~10°C (default 5°C). When under 5°C, low temperature protection activated, start heating. When exceeding 10°C, low temperature protection cancelled Accurate Time/Temperature Dislay: It can show to us on the screen that the real temperature, set temperature, day and time, but it is more than a clock or a digital thermometer Week/Periods Setting: Support three weekly programming selections (5+2, 6+1, 7) and six periods settings