2 Pcs Digital Thermocouple LED Thermometer Panel Meter Green Description: Display Color: Blue or Green Temperature range: from-30 to and800 ℃ degrees Celsius Temperature accuracy: ± 0 3 ℃ degrees Celsius Supply voltage: DC 12 V ± 2 V Sensor type: thermocouple temperature type K, L = 05 m Specification: Total size: approx. 48x29x23mm or 1.89x1.14x0.91 inch Insertion hole size: approx. 45.5x26mm or 1.79x1.02 inch Display window size: approx. 35x18mm or 1.38x0.71 inch Probe specification: stal stainless 304, ca. 4x40mm or 0.16x1.57 inch Resolution: when within 100 degrees Celsius is 0.1 ℃, more than 100 ℃ is 1 ℃ Power consumption: Within 50 ma is 0.6 W Refresh Rate: 500 MS za Anti-protection: yes Working environment: 20 to and 50 ℃ Maximum Hnmidity: 90 percent -100 percent , not frost Package includes: 2 pieces digital thermometer LED