Dual laser technology " exclusive to this model; the dual rotating laser show a measurement area clearly as the spot between the lasers. Displays Min/Max/Avg/Dif Easy to read, even in dark areas with large, backlit display Measurement range of -30 to 650"C (-22 to 1202"F Precise; accurate temperature measurements from a distance Dust and water resistant " rated to IP54 High and low alarms for rapid detection of measurements outside the limits