ETC-974 Mini Digital Temperature Controller, Refrigerator Thermostat Regulator, Thermoregulator Thermocouple NTC Dual sensor ,Temperature calibrating

Easy to use Supports °C/°F display. Control accuracy of 0.1 degrees CelsiusHave been tested for stability, consistency and reliability. Dual relayable to power refrigeration and heating equipment as conditions change. Dual Display WindowDisplays measured temperature and set temperature at the same time. Buzzer AlarmHigh and low temperature alarms are available when the temperature is over or the sensor experiences a malfunction.