ITEM NAME:-30 to 800 Celsius LED Digital Thermometer Temperature Meter Gauge, 2Pcs Description: - Display Color: Red + Blue - Temperature Range: -30 to +800 degree Centigrade - Temperature Accuracy: Â ±0.3 ℃ degree Centigrade - Supply Voltage: DC 12V Â ±2V - Sensor Type: K type thermocouple temperature, L=0.5m Specification: - Overall Size: Approx. 48x29x23mm/ 1.89x1.14x0.91 inch - Insertion Hole Size: Approx. 45.5x26mm/ 1.79x1.02 inch - Display Window Size: Approx. 35x18mm/ 1.38x0.71 inch Probe Specifications: 304 stainless steel, Approx. 4x40mm/ 0.16x1.57 inch - Resolution: when within 100 degree Centigrade it is 0.1℃, more than 100℃ is 1℃ - Power Consumption: when within 50mA, it is 0.6W - Refresh Rate: 500MS every time - Anti-protection: Yes - Working Environment: -20 to +50℃ - Maximum Hnmidity: 90%-100%, Not Frost Package Included: 2 Pieces of Digital Display LED High Temperature Thermometer (Red + Blue) Note: Please allow 1-3mm due to manual measurement, make sure you do not mind before you.Sensor Type: K type thermocouple temperature, L=0.5m. - Temperature Range: -30 to +800 degree Centigrade. - Temperature Accuracy: Â ±0.3 ℃ degree Centigrade. - Maximum Hnmidity: 90%-100%, Not Frost. - Resolution: when within 100 degree Centigrade it is 0.1℃, more than 100℃ is 1℃.