This is a Digital Infrared Thermometer Gun for non-contact temperature measurements. It can be used for accurate measurements of hot surfaces from a safe distance. The Mini Infrared Thermometer is a heavy-duty infrared thermometer for professional residential, commercial and industrial applications.
The Portable Thermometer Gun does everything from verifying the temperature in your AC system in the car or home to helping electricians find an overcharge in electrical systems. Recent advances in optics make this technology more accurate and cost-effective. This is a great Portable Thermometer Gun with good precision and a laser pointer that can be switched off. This  Infrared Thermometer Gun also has a backlight, which will allow you to read the temperature in the dark. 
This Infrared Thermometer Gun is easy to use, just point it in the direction you want to examine, pull the trigger and get an instant reading. Compare this reading to a neutral area and you will know what is going on.