Features Safety Alarm: Our digital thermostat module alarms when the temperature exceeds the high or low temperature setting, sensor error or temperature over limit alarm. 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. 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. Input Power and Output: The input power of our digital thermostat module is DC12V and the output is a one way relay 10A. 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. Specification: Item Type: Double Display Digital Thermostat Module Material: Electronic Components Product Model: XH W1219 Temperature Control: -50°C-110°C Control Accuracy: 0.1°C Measurement Accuracy: 0.1°C Backlash Setting: 0.1-30 High Temperature Alarm: -49°C-110°C Input Power: DC12V Measurement Input: NTC (10K0.5%) Waterproof Sensor Output: One Way Relay 10A Delayed Start: 0-10 Minutes Package List:1 x Dual Display Digital Thermostat Module 1 x Cable Note:Please note for the first time, you need to wait 6s after setting the data, after 6s the module will save the date you set. Package List 1 x Dual Display Digital Thermostat Module 1 x Cable