Extech 42500 Mini Infrared Thermometer Item is a Class II laser product, 1mW power output. Extech Infrared Thermometer provides temperature readings range is -4 to 500-degrees Fahrenheit or -20 to 260-degrees Celsius Provides speedy temperature measurements by pointing at the object being measured Built-in laser pointer identifies target area; backlit display for taking measurements at night or in low light areas Features Automatic Data Hold when trigger released Includes 9-volt battery