Specifications: Temperature range:-50 ℃- 220℃ Accuracy: soil 2% or 2C C ≤ F selection function (by the hole behind the thermometer) Display resolution: 0.1 ℃ or 0.1 °F Working environment: 0-50℃ Relative humidity: 10%-95RH has no condensation Storage temperature:-20℃-50 ℃ Test time: ≤ 0.8 seconds Distance coefficient ratio: 1: 1 (ratio of distance to measuring point size) Preset emissivity: 0.95 Batteries: 2 AG13 button batteries Battery life: about 12 hours Recommended measurement distance: 10cm Packing List: Thermometer*1 Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.