Easily get accurate surface temperature measurements with Infrared laser technology of this thermometer that has a broad range -30°C to +500°C You can detect isolation defects & check heating performance with this thermometer Individual or continuous measuring with 3 measuring modes for more precise results Easy-to-read backlight display with two measurement values for reference Measures the temperature of an oven or pizza stone, fridge or freezer, or control the isolation of windows Battery: 2 x 1.5 V LR6 (AA); Optics: 12:1