Measures temperature from -50°C to 650°C (-58°F to 1200°F) with 0.1 degree resolution for readings up to 999.9 degrees The adjustable high/low set points with audible alarm alerts users when temperatures exceed the programmed set points It features adjustable emissivity for better accuracy on a variety of surfaces. Its built-in laser pointer can help identify target areas Built in backlighting illuminates the display for taking measurements at night or in areas with low background light levels 12:1 distance to target ratio Comes with data hold, min/max, over range indicator, and auto power off functions. Complete with 9 V battery and pouch case Battery Type 9V Battery Dimensions 3.2 × 1.6 × 6.3" (82 × 42 × 160mm) Display Type Digital Distance to Target Ratio 12:1 Emissivity 0.10 to 1.00, Adjustable Manufacturer's Warranty 2 Years Repeatability ±0.5% or ±1.8 °F/ °C Standard(s) Met CE Temperature Range -25-1200°F (-50-650°C) Type Non-Contact Weight 6.4 oz. (180 g)