This is a programmable room thermostat. It works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached. it allows users to select  different temperatures in your home at different times of the day to meet particular user's needs and preferences. But thermostat to a higher temperature will not make the room heat up any faster. How quickly the room heats up depends on the design and size of the heating system. Similarly reducing the temperature setting does not affect how quickly the room cools down. Remote WIFI Control Compatible with Alexa and google home   White Backlight Adjustable Heat Mode, Cool Mode, Eco Mode, Manual Mode and PRG. mode control Water heating system Weekly Programmable(From APP only) Room or SET temperature display Open Window Detection Child Lock Function Frost Protection      CE, RoHs, RED 

This is a basic room thermostat for your house heater, like boiler.  With a dial button, easy to operate for older people or chidrens.   Item No.: HT-02 NP Non Programmable Dial Button Easy on/off mode Specification Temp. Range: 5~35℃ Temperature measurement accuracy: ±0.5°C    Power supply:  2x AAA 1.5V Alkaline Battery