Temperature Control Function: The thermostat range is -40°C to 120°C, set the start and stop temperature to control the heating or cooling equipment, the input is 100-250V, 50/60Hz, supports 16A timing thermostat, 3680W load, suitable for most household appliances. Timer Function: The thermostat timer socket has F01-F04 mode, F01 cycle time control mode, F02 countdown mode on, F03 countdown mode off and F04 countdown on, countdown mode off, the time range is 0-99 hours and 59 minutes. Various Functions: Heating/Cooling Function; F01-F04 Timing Function; -9.9 to 9.9℃ temperature calibration function; memory function; reset function Temperature sensor: The thermostat socket is equipped with a 1.7m NTC10K/B3950 temperature sensor for a longer service life. A variety of electrical appliances: Thermostatic timers are widely used in households, heating and cooling equipment, incubators, greenhouses, carbon crystal heating, aquaculture, etc.