Description: Switch the modes between cool and heat Control temperature by setting the temperature setting value and the difference value Temperature calibration Refrigerating control output delay protection Alarm when temperature exceeds temperature limit or when sensor error Specification: Material: Plastic+PCB Panel Size: Approx. 75x 34.5x 85mm/ 2.95x 1.36x 3.35 inch Opening Size: Approx. 71x 29mm/ 2.80x 1.14 inch Temperature measuring range: -50 ° C ~ 99 ° C Resolution: 0.1 ° C Accuracy:+- 1 ° C (-50 ° C ~ 70 ° C) Sensor error delay: 1 minute Power supply: AC/DC 220V Power consumption: