Adjustable temperature range for refrigerators and refrigerated cabinets: set the temperature according to your needs. Compatible with refrigerator thermostat and thermostat control. Strong construction: crafted with plastic, copper, and iron materials to ensure long lasting performance and resistance to wear and tear. Suitable for thermostat control replacement and appliance thermostat. Wide temperature adjustment range: provides precise control of cooling temperature from 30 to 30 degrees. Compatible with adjustable thermostat and mechanical thermostat. Knob adjustable: easy temperature adjustment through knob operation, offering convenience and flexibility. Suitable for freezer thermostat and electric thermostat. Use scenarios: Home kitchen: optimize fridge temperature for food safety and energy efficiency. Small cafe, bakery, or retail refrigerated cabinet: maintain stable temps for dairy, beverages, and prepared foods. Maintenance and replacement: serve as a replacement part for thermostat control in appliances, enabling quick maintenance and reduced downtime.