1、Simple Control: Switch between heating and cooling modes, and control the temperature by adjusting the temperature setting value and the difference value. 2、Protection Function: With temperature calibration and refrigeration control output delay protection, with stable operation. 3、Alarm Prompt: Will alarm when the temperature exceeds the temperature limit or a sensor error occurs, and the operation is safe. 4、High Accuracy: The temperature measurement range is ‑50℃‑120℃, with high measurement accuracy and strong practicability. 5、Dual Digital Display: Using digital display and dual relay output, accurate and fast readings, high efficiency temperature control. Item Type: Temperature Controller Model: HW-W1012 Temperature Measurement Range: -50℃-120℃ ± 0.5℃ Working Environment Temperature: 0℃-60℃ Power Supply Voltage: 220V Storage Temperature: -20℃-70℃ Relative Humidity: 20%-80% Temperature Sensor: NTC10K/B3435 Power Off Data Storage: Yes 1 x Circuit Board 1 x Outer Membrane 1 x Shell 2 x Probes 6 x Nuts 7 x Screws 4 x Gasket Tubes