2pcs W3230 AC 110V-220V Digital Temperature Controller Switch LED Display Thermostat Control Switch with 10K NTC Sensor Probe, Range -50℃ to 110℃

Suitable for all types of seafood machines, HVAC compressors, freezers, refrigerators, air conditioners, fermentation chambers, chest freezers, water coolers and other equipment that requires automatic switching between refrigeration and heating. Temperature calibration, you can calibrate the temperature as needed. You can select the cooling or heating mode of operation. This temperature controller keeps your different environments within the ideal temperature range. Temperature control range: -50-110℃ 0.1°C control accuracy. Input Power: AC 110-220V. You can set the highest/lowest upper limit temperature to avoid accidents. High temperature alarm, when the measured temperature reaches the set temperature, the controller will trigger an alarm. This thermostat switch can automatically start cooling or heating for constant temperature.