Specifications of XH-W1219 Temperature Control Module Control Range: -50~110 °C Control Precision: 0.1 °C Measuring Input: NTC10K waterproof sensor L=0.5m. High-Temperature Alarm: -49~110 °C Input Voltage: DC 12V Output Type: Relay output 10A (max) Return Difference Setting: 0.1~30 °C Delay Starting: 0-10min Temperature Calibration: -10~10 °C