Infrared Temperature Calibrator 41 Degrees to 95 Degrees F Target Emissivity 0.95 in Display Type Dual LED Target Size 2.28 in Temperature Stability Below 212 Degrees F (100 Degrees C) +/-0.2 Degrees F (0.1 Degrees C) 212 to 392 Degrees F (100 to 200 Degrees C) +/-0.4 Degrees F (0.2 Degrees C)392 to 932 Degrees F (200 to 500 Degrees C) +/-0.8 Degrees F (0.4 Degrees C) Heating Time 30 min Cooling Time 30 min Calibration Certificate Included No Includes Power Cord