Dust and water-resistant: IP54 rated for dust and water resistance. Rugged: 3-meter (9.8-foot) drop tested. Ergonomically designed: Completely redesigned for a more natural hand fit. Small and lightweight; clips to your tool belt or belt loop or easily fits into your tool box. Additional Features Distance to spot: Precise laser technology makes for more accurate and repeatable measurements. Dual lasers: The 62 MAX+ has dual rotating lasers to help you identify area to be measured. The measurement area is the spot between the dots. Large, backlit display: Large screen makes data easier to read, even in dark areas. Min/Max/Avg/Dif: Displays the minimum, maximum or average temperature, or the difference between two measurements. Alarm: Hi and Lo alarms for rapid display of measurements outside the limits. Power: Both the 62 MAX and 62 MAX+ are powered by a single, standard AA battery