PROGRAMMING FUNCTION: This thermostat features a 5+2/6+1 programming function, allowing you to set up to 6 different temperature settings for each weekday, as well as additional settings for weekends. This gives you complete control over your temperature settings, ensuring maximum comfort and energy efficiency. AUTOMATIC MANUAL MODE: Both manual and automatic modes allow you to set your wall thermostat's temperature to your desired level and save energy. MULTIFUNCTIONAL: The LCD screen makes it easy to adjust the temperature of the frost-proof room thermostat to your liking. Equipped with child lock and low-temperature protection, this smart digital thermostat is used to control the heating elements in an electric heating system or the valves in a water heating system. Flush-mounted installation: This digital thermostat is designed for flush-mounted installation. The installation method is as follows: connect the power supply according to the wiring diagram; push the panel's display part upwards and remove the panel; attach the thermostat's mounting plate to the housing (86); align the panel's snap locks with the mounting plate and then push the panel downwards. Its compact size and easy installation make it an excellent choice for electric or water-based underfloor heating. NTC TEMPERATURE SENSOR: With an AC voltage of 100–250 V and a setting range of 5–70 °C, this smart thermostat is suitable for a variety of homes. It is equipped with an NTC temperature sensor that provides accurate temperature readings and ensures precise temperature control. Specifications: Product material: ABS Product size: 86 x 86 x 40 mm / 3.38 x 3.38 x 1.57 inches Power supply: 100–250 V AC 50/60 Hz Maximum load: Electric heater – 16 A/AC 250 V Ambient temperature: 5–70 °C Temperature display accuracy: ± 0.5 ℃ Operating ambient temperature: 0 ℃–50 ℃ Storage ambient temperature: -10 ℃–60 ℃ WiFi frequency: 2.400–2.483 GHz WiFi communication protocol: IP/TCP, MQTT Product design and implementation standards: GB14536.1-2011 IEC60730-1:2011. IEC60730-2-9:2011 EN15500:2011 Product color: black Version: general Type: electric heater Package contents: 1 thermostat, 1 manual