Features: Handheld infrared thermometer for non-contact measurement of object surface temperature. The bright laser pointer for easy and accurate aiming makes measurement even more precise. Adjustable emissivity from 0.10 to 1.00. Optional temperature units: Celsius(C) and Fahrenheit(F). Press the laser switch to switch. Can measure maximum, minimum, difference, average value and also can set high and low temperature alarm which is especially suitable for batch measuring. LCD display with backlight. Hold the trigger and press the backlight key to turn on the backlight. Hold the trigger and press the laser key to turn on/off the laser beam. With zero offset function. Mini size and light weight, convenient to carry.