Thermometer has a backlit LCD display from - 4 to 604 degrees F ( -20 to 317 degrees C); precision thermometer has a large range of measurement. The laser thermometer features a sighting laser that can be turned off. Infrared thermometer has Fahrenheit/Celsius readout. Digital thermometer is both CE RoHS and Wee approved. Industrial thermometer has uses across many industries, including use as a food safety thermometer; 9-volt battery included.