AC220V Digital LED Temperature Controller Thermometer Heating and Cooling Thermostat with NTC Sensor 2 Relays

features small size, LED display, accurate measurement, heating/cooling control and simple operation. It can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipment and other temperature-controlled systems.
Features:
A mini temperature controller with clear LED digital display.
2 relays, automatically switch between cooling and heating modes.
Alarm when temperature exceeds the limit or when sensor error.
Control the temperature by setting Set Value and Difference Value of the temperature.
The sensor adopts injection molding process, quick reaction and great waterproof protection.
Temperature calibration, refrigerating control output delay protection.
Easy for operation, high accuracy and strong anti-interference capacity.
Suitable for domestic freezer, water tanks, refrigerator, boiler, industrial equipment, etc.