Feature: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.Specification:Item Type: Double Display Digital Thermostat Module Material: Electronic ComponentsProduct Model: XH W1219Temperature Control: -50C-110CControl Accuracy: 0.1CMeasurement Accuracy: 0.1CBacklash Setting: 0.1-30High Temperature Alarm: -49C-110CInput Power: DC12VMeasurement Input: NTC (10K0.5%) Waterproof SensorOutput: One Way Relay 10ADelayed Start: 0-10 Minutes.Package List:1 x Dual Display Digital Thermostat Module1 x CableNote: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.