1、Safety Alarm: Our digital thermostat module alarms when the temperature exceeds the high or low temperature setting, sensor error or temperature over limit alarm. 2、Screen Display: The digital thermostat module screen display -H- indicates that the temperature value is exceeded, and the screen display -L- indicates that the temperature value is exceeded. 3、High Accuracy Probe: The dual display digital thermostat module is equipped with a high accuracy temperature sensor probe for accurate and stable performance. Control accuracy at plus or minus 15 percent, 40 to 80 percent. 4、Input Power and Output: The input power of our digital thermostat module is DC12V and the output is a one way relay 10A. 5、Small and Lightweight: This dual display digital thermostat module is compact and can be used in freezers, holding tanks, pet feeding, baking rooms, machine rooms, etc.