Temperature changes can be a great way to diagnose a number of potential problems. Electricians, HAVC techs and contractors of all kinds can benefit from having a temperature reading device in their arsenal. DeWalt Cordless Infrared Thermometers make it easy to identify trouble spots in ducts, wires, insulation and behind walls. It's not only about being efficient, but it's about being safe as well. These thermometers will help you get the job done quickly and safely, and give you the quality you expect from a name like DeWalt.